13107904 has 28 divisors (see below), whose sum is σ = 26263600. Its totient is φ = 6490368.

The previous prime is 13107893. The next prime is 13107911. The reversal of 13107904 is 40970131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6037 + ... + 7915.

Almost surely, 2^13107904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13107904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13131800).

13107904 is an abundant number, since it is smaller than the sum of its proper divisors (13155696).

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

13107904 is a wasteful number, since it uses less digits than its factorization.

13107904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 13107904 is about 3620.4839455520. The cubic root of 13107904 is about 235.7822371235.

The spelling of 13107904 in words is "thirteen million, one hundred seven thousand, nine hundred four".