12907913 has 8 divisors (see below), whose sum is σ = 13720608. Its totient is φ = 12101184.

The previous prime is 12907903. The next prime is 12907919. The reversal of 12907913 is 31970921.

It is a happy number.

12907913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12907913 is a prime.

It is a super-2 number, since 2×12907913² = 333228436031138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12907913.

It is not an unprimeable number, because it can be changed into a prime (12907919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3470 + ... + 6152.

It is an arithmetic number, because the mean of its divisors is an integer number (1715076).

Almost surely, 2^12907913 is an apocalyptic number.

It is an amenable number.

12907913 is a deficient number, since it is larger than the sum of its proper divisors (812695).

12907913 is a wasteful number, since it uses less digits than its factorization.

12907913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 12907913 is about 3592.7584110263. The cubic root of 12907913 is about 234.5769542991.

The spelling of 12907913 in words is "twelve million, nine hundred seven thousand, nine hundred thirteen".