12809168 has 10 divisors (see below), whose sum is σ = 24817794. Its totient is φ = 6404576.

The previous prime is 12809149. The next prime is 12809191. The reversal of 12809168 is 86190821.

12809168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7463824 + 5345344 = 2732^2 + 2312^2 .

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, 400271 + ... + 400302.

Almost surely, 2^12809168 is an apocalyptic number.

It is an amenable number.

12809168 is a deficient number, since it is larger than the sum of its proper divisors (12008626).

12809168 is an equidigital number, since it uses as much as digits as its factorization.

12809168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800581 (or 800575 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 12809168 is about 3578.9898016060. The cubic root of 12809168 is about 233.9772544672.

Adding to 12809168 its reverse (86190821), we get a palindrome (98999989).

The spelling of 12809168 in words is "twelve million, eight hundred nine thousand, one hundred sixty-eight".