13906904 has 32 divisors (see below), whose sum is σ = 29687040. Its totient is φ = 6045600.

The previous prime is 13906891. The next prime is 13906909. The reversal of 13906904 is 40960931.

13906904 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 not an unprimeable number, because it can be changed into a prime (13906909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1412 + ... + 5459.

It is an arithmetic number, because the mean of its divisors is an integer number (927720).

Almost surely, 2^13906904 is an apocalyptic number.

It is an amenable number.

13906904 is an abundant number, since it is smaller than the sum of its proper divisors (15780136).

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

13906904 is a wasteful number, since it uses less digits than its factorization.

13906904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6911 (or 6907 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 13906904 is about 3729.1961600323. The cubic root of 13906904 is about 240.4788126269.

The spelling of 13906904 in words is "thirteen million, nine hundred six thousand, nine hundred four".