13667872 has 24 divisors (see below), whose sum is σ = 26998272. Its totient is φ = 6811200.

The previous prime is 13667861. The next prime is 13667891. The reversal of 13667872 is 27876631.

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, 13297 + ... + 14287.

It is an arithmetic number, because the mean of its divisors is an integer number (1124928).

Almost surely, 2^13667872 is an apocalyptic number.

It is an amenable number.

13667872 is a deficient number, since it is larger than the sum of its proper divisors (13330400).

13667872 is an equidigital number, since it uses as much as digits as its factorization.

13667872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1424 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 13667872 is about 3697.0085204121. The cubic root of 13667872 is about 239.0930585369.

The spelling of 13667872 in words is "thirteen million, six hundred sixty-seven thousand, eight hundred seventy-two".