13357904 has 20 divisors (see below), whose sum is σ = 29578464. Its totient is φ = 5724768.

The previous prime is 13357889. The next prime is 13357973. The reversal of 13357904 is 40975331.

It is a happy number.

13357904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 59522 + ... + 59745.

Almost surely, 2^13357904 is an apocalyptic number.

13357904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13357904 is an abundant number, since it is smaller than the sum of its proper divisors (16220560).

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

13357904 is a wasteful number, since it uses less digits than its factorization.

13357904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119282 (or 119276 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 13357904 is about 3654.8466452096. The cubic root of 13357904 is about 237.2717896504.

The spelling of 13357904 in words is "thirteen million, three hundred fifty-seven thousand, nine hundred four".