13904304 has 40 divisors (see below), whose sum is σ = 36894960. Its totient is φ = 4508928.

The previous prime is 13904291. The next prime is 13904323. The reversal of 13904304 is 40340931.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139 + ... + 5690.

It is an arithmetic number, because the mean of its divisors is an integer number (922374).

Almost surely, 2^13904304 is an apocalyptic number.

It is an amenable number.

13904304 is an abundant number, since it is smaller than the sum of its proper divisors (22990656).

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

13904304 is a wasteful number, since it uses less digits than its factorization.

13904304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7877 (or 7871 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13904304 is about 3728.8475431425. The cubic root of 13904304 is about 240.4638252537.

The spelling of 13904304 in words is "thirteen million, nine hundred four thousand, three hundred four".