13932928 has 64 divisors (see below), whose sum is σ = 31028400. Its totient is φ = 6193152.

The previous prime is 13932889. The next prime is 13932953. The reversal of 13932928 is 82923931.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41176 + ... + 41512.

Almost surely, 2^13932928 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 13932928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15514200).

13932928 is an abundant number, since it is smaller than the sum of its proper divisors (17095472).

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

13932928 is a wasteful number, since it uses less digits than its factorization.

13932928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 375 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 13932928 is about 3732.6837530120. The cubic root of 13932928 is about 240.6287218854.

It can be divided in two parts, 1393 and 2928, that multiplied together give a palindrome (4078704).

The spelling of 13932928 in words is "thirteen million, nine hundred thirty-two thousand, nine hundred twenty-eight".