12930720 has 192 divisors, whose sum is σ = 46448640. Its totient is φ = 2995200.

The previous prime is 12930707. The next prime is 12930737. The reversal of 12930720 is 2703921.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163641 + ... + 163719.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

Almost surely, 2^12930720 is an apocalyptic number.

12930720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12930720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23224320).

12930720 is an abundant number, since it is smaller than the sum of its proper divisors (33517920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12930720 is a wasteful number, since it uses less digits than its factorization.

12930720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 12930720 is about 3595.9310338214. The cubic root of 12930720 is about 234.7150310668.

The spelling of 12930720 in words is "twelve million, nine hundred thirty thousand, seven hundred twenty".