13928304 has 120 divisors (see below), whose sum is σ = 41662512. Its totient is φ = 3993600.

The previous prime is 13928281. The next prime is 13928329. The reversal of 13928304 is 40382931.

13928304 = T₂₅₇ + T₂₅₈ + ... + T₄₆₄.

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 23 ways as a sum of consecutive naturals, for example, 137854 + ... + 137954.

Almost surely, 2^13928304 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 13928304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20831256).

13928304 is an abundant number, since it is smaller than the sum of its proper divisors (27734208).

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

13928304 is a wasteful number, since it uses less digits than its factorization.

13928304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 13928304 is about 3732.0643081276. The cubic root of 13928304 is about 240.6020993329.

The spelling of 13928304 in words is "thirteen million, nine hundred twenty-eight thousand, three hundred four".