13904156 has 24 divisors (see below), whose sum is σ = 28562016. Its totient is φ = 5797440.

The previous prime is 13904153. The next prime is 13904159. The reversal of 13904156 is 65140931.

It is an interprime number because it is at equal distance from previous prime (13904153) and next prime (13904159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904153) 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, 5675 + ... + 7746.

It is an arithmetic number, because the mean of its divisors is an integer number (1190084).

Almost surely, 2^13904156 is an apocalyptic number.

It is an amenable number.

13904156 is an abundant number, since it is smaller than the sum of its proper divisors (14657860).

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

13904156 is a wasteful number, since it uses less digits than its factorization.

13904156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13469 (or 13467 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 13904156 is about 3728.8276978160. The cubic root of 13904156 is about 240.4629720701.

The spelling of 13904156 in words is "thirteen million, nine hundred four thousand, one hundred fifty-six".