13137924 has 24 divisors (see below), whose sum is σ = 31644928. Its totient is φ = 4237920.

The previous prime is 13137907. The next prime is 13137931. The reversal of 13137924 is 42973131.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13137891 and 13137900.

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, 17287 + ... + 18030.

Almost surely, 2^13137924 is an apocalyptic number.

It is an amenable number.

13137924 is an abundant number, since it is smaller than the sum of its proper divisors (18507004).

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

13137924 is a wasteful number, since it uses less digits than its factorization.

13137924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35355 (or 35353 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 13137924 is about 3624.6274291298. The cubic root of 13137924 is about 235.9620977147.

The spelling of 13137924 in words is "thirteen million, one hundred thirty-seven thousand, nine hundred twenty-four".