13381924 has 24 divisors (see below), whose sum is σ = 25105248. Its totient is φ = 6218880.

The previous prime is 13381919. The next prime is 13381931. The reversal of 13381924 is 42918331.

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, 4459 + ... + 6829.

It is an arithmetic number, because the mean of its divisors is an integer number (1046052).

Almost surely, 2^13381924 is an apocalyptic number.

It is an amenable number.

13381924 is a deficient number, since it is larger than the sum of its proper divisors (11723324).

13381924 is a wasteful number, since it uses less digits than its factorization.

13381924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475 (or 2473 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 13381924 is about 3658.1312168920. The cubic root of 13381924 is about 237.4139241171.

The spelling of 13381924 in words is "thirteen million, three hundred eighty-one thousand, nine hundred twenty-four".