12862172 has 6 divisors (see below), whose sum is σ = 22508808. Its totient is φ = 6431084.

The previous prime is 12862169. The next prime is 12862193. The reversal of 12862172 is 27126821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607768 + ... + 1607775.

It is an arithmetic number, because the mean of its divisors is an integer number (3751468).

Almost surely, 2^12862172 is an apocalyptic number.

It is an amenable number.

12862172 is a deficient number, since it is larger than the sum of its proper divisors (9646636).

12862172 is a wasteful number, since it uses less digits than its factorization.

12862172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215547 (or 3215545 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 12862172 is about 3586.3870399052. The cubic root of 12862172 is about 234.2995409109.

Adding to 12862172 its reverse (27126821), we get a palindrome (39988993).

The spelling of 12862172 in words is "twelve million, eight hundred sixty-two thousand, one hundred seventy-two".