12704168 has 32 divisors (see below), whose sum is σ = 25482600. Its totient is φ = 5916672.

The previous prime is 12704161. The next prime is 12704171. The reversal of 12704168 is 86140721.

It can be written as a sum of positive squares in 4 ways, for example, as 12545764 + 158404 = 3542^2 + 398^2 .

It is a super-2 number, since 2×12704168² = 322791769144448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12704168.

It is not an unprimeable number, because it can be changed into a prime (12704161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14396 + ... + 15252.

Almost surely, 2^12704168 is an apocalyptic number.

It is an amenable number.

12704168 is an abundant number, since it is smaller than the sum of its proper divisors (12778432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12704168 is a wasteful number, since it uses less digits than its factorization.

12704168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 12704168 is about 3564.2906727707. The cubic root of 12704168 is about 233.3361759291.

Adding to 12704168 its reverse (86140721), we get a palindrome (98844889).

The spelling of 12704168 in words is "twelve million, seven hundred four thousand, one hundred sixty-eight".