13924920 has 32 divisors (see below), whose sum is σ = 41775120. Its totient is φ = 3713280.

The previous prime is 13924919. The next prime is 13924931. The reversal of 13924920 is 2942931.

13924920 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 57901 + ... + 58140.

Almost surely, 2^13924920 is an apocalyptic number.

13924920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13924920 is an abundant number, since it is smaller than the sum of its proper divisors (27850200).

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

13924920 is a wasteful number, since it uses less digits than its factorization.

13924920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116055 (or 116051 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 13924920 is about 3731.6109121933. The cubic root of 13924920 is about 240.5826123121.

The spelling of 13924920 in words is "thirteen million, nine hundred twenty-four thousand, nine hundred twenty".