12643168 has 24 divisors (see below), whose sum is σ = 25267032. Its totient is φ = 6226176.

The previous prime is 12643117. The next prime is 12643177. The reversal of 12643168 is 86134621.

It is a happy number.

It is a congruent number.

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, 805 + ... + 5092.

It is an arithmetic number, because the mean of its divisors is an integer number (1052793).

Almost surely, 2^12643168 is an apocalyptic number.

It is an amenable number.

12643168 is a deficient number, since it is larger than the sum of its proper divisors (12623864).

12643168 is an equidigital number, since it uses as much as digits as its factorization.

12643168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974 (or 5966 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 12643168 is about 3555.7232738221. The cubic root of 12643168 is about 232.9621163088.

Adding to 12643168 its reverse (86134621), we get a palindrome (98777789).

The spelling of 12643168 in words is "twelve million, six hundred forty-three thousand, one hundred sixty-eight".