12711172 has 24 divisors (see below), whose sum is σ = 23786784. Its totient is φ = 5922432.

The previous prime is 12711169. The next prime is 12711211. The reversal of 12711172 is 27111721.

It is a super-2 number, since 2×12711172² = 323147787227168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6403 + ... + 8149.

It is an arithmetic number, because the mean of its divisors is an integer number (991116).

Almost surely, 2^12711172 is an apocalyptic number.

It is an amenable number.

12711172 is a deficient number, since it is larger than the sum of its proper divisors (11075612).

12711172 is a wasteful number, since it uses less digits than its factorization.

12711172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875 (or 1873 counting only the distinct ones).

The product of its digits is 196, while the sum is 22.

The square root of 12711172 is about 3565.2730610712. The cubic root of 12711172 is about 233.3790486391.

Adding to 12711172 its reverse (27111721), we get a palindrome (39822893).

The spelling of 12711172 in words is "twelve million, seven hundred eleven thousand, one hundred seventy-two".