12878907 has 8 divisors (see below), whose sum is σ = 17189376. Its totient is φ = 8577192.

The previous prime is 12878891. The next prime is 12878927. The reversal of 12878907 is 70987821.

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

It is not a de Polignac number, because 12878907 - 2⁴ = 12878891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12878927) 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, 3018 + ... + 5904.

It is an arithmetic number, because the mean of its divisors is an integer number (2148672).

Almost surely, 2^12878907 is an apocalyptic number.

12878907 is a deficient number, since it is larger than the sum of its proper divisors (4310469).

12878907 is a wasteful number, since it uses less digits than its factorization.

12878907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 12878907 is about 3588.7194094830. The cubic root of 12878907 is about 234.4011127528.

The spelling of 12878907 in words is "twelve million, eight hundred seventy-eight thousand, nine hundred seven".