12173116 has 12 divisors (see below), whose sum is σ = 21664440. Its totient is φ = 5983280.

The previous prime is 12173113. The next prime is 12173143. The reversal of 12173116 is 61137121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12173113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25555 + ... + 26026.

It is an arithmetic number, because the mean of its divisors is an integer number (1805370).

Almost surely, 2^12173116 is an apocalyptic number.

It is an amenable number.

12173116 is a deficient number, since it is larger than the sum of its proper divisors (9491324).

12173116 is a wasteful number, since it uses less digits than its factorization.

12173116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51644 (or 51642 counting only the distinct ones).

The product of its digits is 252, while the sum is 22.

The square root of 12173116 is about 3488.9992834622. Note that the first 3 decimals coincide. The cubic root of 12173116 is about 230.0385316667.

It can be divided in two parts, 121 and 73116, that added together give a palindrome (73237).

The spelling of 12173116 in words is "twelve million, one hundred seventy-three thousand, one hundred sixteen".