13641904 has 20 divisors (see below), whose sum is σ = 26489376. Its totient is φ = 6805952.

The previous prime is 13641893. The next prime is 13641911. The reversal of 13641904 is 40914631.

It is a super-2 number, since 2×13641904² = 372203089490432, which contains 22 as substring.

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, 11817 + ... + 12919.

Almost surely, 2^13641904 is an apocalyptic number.

It is an amenable number.

13641904 is a deficient number, since it is larger than the sum of its proper divisors (12847472).

13641904 is a wasteful number, since it uses less digits than its factorization.

13641904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884 (or 1878 counting only the distinct ones).

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

The square root of 13641904 is about 3693.4948219809. The cubic root of 13641904 is about 238.9415425151.

The spelling of 13641904 in words is "thirteen million, six hundred forty-one thousand, nine hundred four".