13404172 has 12 divisors (see below), whose sum is σ = 23501016. Its totient is φ = 6689600.

The previous prime is 13404169. The next prime is 13404233. The reversal of 13404172 is 27140431.

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, 454 + ... + 5197.

It is an arithmetic number, because the mean of its divisors is an integer number (1958418).

Almost surely, 2^13404172 is an apocalyptic number.

It is an amenable number.

13404172 is a deficient number, since it is larger than the sum of its proper divisors (10096844).

13404172 is a wasteful number, since it uses less digits than its factorization.

13404172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248 (or 6246 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 13404172 is about 3661.1708509710. The cubic root of 13404172 is about 237.5454214143.

The spelling of 13404172 in words is "thirteen million, four hundred four thousand, one hundred seventy-two".