13381672 has 16 divisors (see below), whose sum is σ = 25516800. Its totient is φ = 6577200.

The previous prime is 13381663. The next prime is 13381691. The reversal of 13381672 is 27618331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13704 + ... + 14647.

It is an arithmetic number, because the mean of its divisors is an integer number (1594800).

Almost surely, 2^13381672 is an apocalyptic number.

It is an amenable number.

13381672 is a deficient number, since it is larger than the sum of its proper divisors (12135128).

13381672 is a wasteful number, since it uses less digits than its factorization.

13381672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28416 (or 28412 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 13381672 is about 3658.0967729135. The cubic root of 13381672 is about 237.4124338310.

The spelling of 13381672 in words is "thirteen million, three hundred eighty-one thousand, six hundred seventy-two".