13904088 has 32 divisors (see below), whose sum is σ = 37920960. Its totient is φ = 4213280.

The previous prime is 13904083. The next prime is 13904101. The reversal of 13904088 is 88040931.

It is a super-2 number, since 2×13904088² = 386647326223488, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904083) 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, 26070 + ... + 26597.

It is an arithmetic number, because the mean of its divisors is an integer number (1185030).

Almost surely, 2^13904088 is an apocalyptic number.

It is an amenable number.

13904088 is an abundant number, since it is smaller than the sum of its proper divisors (24016872).

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

13904088 is a wasteful number, since it uses less digits than its factorization.

13904088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52687 (or 52683 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 13904088 is about 3728.8185796576. The cubic root of 13904088 is about 240.4625800648.

It can be divided in two parts, 139040 and 88, that added together give a triangular number (139128 = T₅₂₇).

The spelling of 13904088 in words is "thirteen million, nine hundred four thousand, eighty-eight".