12568769 has 2 divisors, whose sum is σ = 12568770. Its totient is φ = 12568768.

The previous prime is 12568757. The next prime is 12568793. The reversal of 12568769 is 96786521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12159169 + 409600 = 3487^2 + 640^2 .

It is a cyclic number.

It is not a de Polignac number, because 12568769 - 2⁴ = 12568753 is a prime.

It is a super-2 number, since 2×12568769² = 315947908350722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12568799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6284384 + 6284385.

It is an arithmetic number, because the mean of its divisors is an integer number (6284385).

Almost surely, 2^12568769 is an apocalyptic number.

It is an amenable number.

12568769 is a deficient number, since it is larger than the sum of its proper divisors (1).

12568769 is an equidigital number, since it uses as much as digits as its factorization.

12568769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 12568769 is about 3545.2459717204. The cubic root of 12568769 is about 232.5042601447.

The spelling of 12568769 in words is "twelve million, five hundred sixty-eight thousand, seven hundred sixty-nine".