13422172 has 6 divisors (see below), whose sum is σ = 23488808. Its totient is φ = 6711084.

The previous prime is 13422169. The next prime is 13422209. The reversal of 13422172 is 27122431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1677768 + ... + 1677775.

Almost surely, 2^13422172 is an apocalyptic number.

It is an amenable number.

13422172 is a deficient number, since it is larger than the sum of its proper divisors (10066636).

13422172 is a wasteful number, since it uses less digits than its factorization.

13422172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355547 (or 3355545 counting only the distinct ones).

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

The square root of 13422172 is about 3663.6282562509. The cubic root of 13422172 is about 237.6517043701.

The spelling of 13422172 in words is "thirteen million, four hundred twenty-two thousand, one hundred seventy-two".