12907320 has 64 divisors (see below), whose sum is σ = 40068000. Its totient is φ = 3322368.

The previous prime is 12907319. The next prime is 12907343. The reversal of 12907320 is 2370921.

12907320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 1626 + ... + 5334.

Almost surely, 2^12907320 is an apocalyptic number.

12907320 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 12907320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20034000).

12907320 is an abundant number, since it is smaller than the sum of its proper divisors (27160680).

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

12907320 is a wasteful number, since it uses less digits than its factorization.

12907320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752 (or 3748 counting only the distinct ones).

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

The square root of 12907320 is about 3592.6758829597. The cubic root of 12907320 is about 234.5733620256.

The spelling of 12907320 in words is "twelve million, nine hundred seven thousand, three hundred twenty".