13904812 has 6 divisors (see below), whose sum is σ = 24333428. Its totient is φ = 6952404.

The previous prime is 13904797. The next prime is 13904831. The reversal of 13904812 is 21840931.

It is a happy number.

13904812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1738098 + ... + 1738105.

Almost surely, 2^13904812 is an apocalyptic number.

It is an amenable number.

13904812 is a deficient number, since it is larger than the sum of its proper divisors (10428616).

13904812 is a wasteful number, since it uses less digits than its factorization.

13904812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476207 (or 3476205 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13904812 is about 3728.9156600814. The cubic root of 13904812 is about 240.4667537027.

The spelling of 13904812 in words is "thirteen million, nine hundred four thousand, eight hundred twelve".