13904368 has 60 divisors (see below), whose sum is σ = 29845312. Its totient is φ = 6266880.

The previous prime is 13904347. The next prime is 13904377. The reversal of 13904368 is 86340931.

13904368 = T₁₅₂ + T₁₅₃ + ... + T₄₄₂.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143296 + ... + 143392.

Almost surely, 2^13904368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13904368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14922656).

13904368 is an abundant number, since it is smaller than the sum of its proper divisors (15940944).

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

13904368 is a wasteful number, since it uses less digits than its factorization.

13904368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 13904368 is about 3728.8561248726. The cubic root of 13904368 is about 240.4641941960.

The spelling of 13904368 in words is "thirteen million, nine hundred four thousand, three hundred sixty-eight".