12720
Number 12720: Properties, Factors, and Mathematical Facts
Short answer
The number 12720 is an even composite number with 40 positive divisors. Its prime factorization is 2⁴ × 3 × 5 × 53. It is also an abundant number and a triangular number, which gives it several notable mathematical relationships.
Is 12720 prime?
ClassificationCompositeParityEvenDivisor count40AbundanceAbundant
What is the prime factorization of 12720?
Prime factorization
2 to the power of 4 times 3 times 5 times 53
What are the divisors of 12720?
Divisor count
40
Divisor sum
40,176
Proper divisor sum
27,456
- 1
- 2
- 3
- 4
- 5
- 6
- 8
- 10
- 12
- 15
- 16
- 20
- 24
- 30
- 40
- 48
- 53
- 60
- 80
- 106
- 120
- 159
- 212
- 240
How is 12720 classified?
Prime
CompositeLearn more →
Perfect square
No
Perfect cube
No
Fibonacci
No
Triangular
YesLearn more →
Power of two
No
How is 12720 represented in other numeral systems?
Decimal
12720
Binary
11000110110000
Octal
30660
Hexadecimal
31B0
Roman
No conventional Roman numeral
In words
twelve thousand seven hundred twenty
Roots and powers
Square root
112.782977 Approximate
Cube root
23.343306 Approximate
Nearest lower square
12544
Nearest higher square
12769
Nearest lower cube
12167
Nearest higher cube
13824
Sequence position
Triangular
Index: 159
What are the digit properties of 12720?
Which numbers are related to 12720?
Why these results are true
- 12720 is composite because it has positive divisors other than 1 and itself.
- 12720 is abundant because the sum of its proper divisors (27456) is greater than 12720.
- 12720 is triangular because it equals 159×(159+1)/2.
Compare this number
FAQ for 12720
- Is 12720 prime?
- No
- What is the prime factorization of 12720?
- 2⁴ × 3 × 5 × 53
- Is 12720 a perfect square?
- No
- What is 12720 in binary?
- 11000110110000