13904308 has 24 divisors (see below), whose sum is σ = 27165600. Its totient is φ = 6172320.

The previous prime is 13904291. The next prime is 13904323. The reversal of 13904308 is 80340931.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1783 + ... + 5566.

It is an arithmetic number, because the mean of its divisors is an integer number (1131900).

Almost surely, 2^13904308 is an apocalyptic number.

It is an amenable number.

13904308 is a deficient number, since it is larger than the sum of its proper divisors (13261292).

13904308 is a wasteful number, since it uses less digits than its factorization.

13904308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7407 (or 7405 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13904308 is about 3728.8480795012. The cubic root of 13904308 is about 240.4638483126.

The spelling of 13904308 in words is "thirteen million, nine hundred four thousand, three hundred eight".