12892172 has 6 divisors (see below), whose sum is σ = 22561308. Its totient is φ = 6446084.

The previous prime is 12892129. The next prime is 12892181. The reversal of 12892172 is 27129821.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611518 + ... + 1611525.

It is an arithmetic number, because the mean of its divisors is an integer number (3760218).

Almost surely, 2^12892172 is an apocalyptic number.

It is an amenable number.

12892172 is a deficient number, since it is larger than the sum of its proper divisors (9669136).

12892172 is a wasteful number, since it uses less digits than its factorization.

12892172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223047 (or 3223045 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 12892172 is about 3590.5670861300. The cubic root of 12892172 is about 234.4815611908.

The spelling of 12892172 in words is "twelve million, eight hundred ninety-two thousand, one hundred seventy-two".