12316172 has 12 divisors (see below), whose sum is σ = 23512776. Its totient is φ = 5598240.

The previous prime is 12316169. The next prime is 12316181. The reversal of 12316172 is 27161321.

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, 139913 + ... + 140000.

It is an arithmetic number, because the mean of its divisors is an integer number (1959398).

Almost surely, 2^12316172 is an apocalyptic number.

It is an amenable number.

12316172 is a deficient number, since it is larger than the sum of its proper divisors (11196604).

12316172 is a wasteful number, since it uses less digits than its factorization.

12316172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279928 (or 279926 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 12316172 is about 3509.4404112337. The cubic root of 12316172 is about 230.9361467160.

Adding to 12316172 its reverse (27161321), we get a palindrome (39477493).

The spelling of 12316172 in words is "twelve million, three hundred sixteen thousand, one hundred seventy-two".