12813169 has 2 divisors, whose sum is σ = 12813170. Its totient is φ = 12813168.

The previous prime is 12813167. The next prime is 12813173. The reversal of 12813169 is 96131821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10810944 + 2002225 = 3288^2 + 1415^2 .

It is a cyclic number.

It is not a de Polignac number, because 12813169 - 2¹ = 12813167 is a prime.

It is a super-2 number, since 2×12813169² = 328354599645122, which contains 22 as substring.

Together with 12813167, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12813169.

It is not a weakly prime, because it can be changed into another prime (12813161) 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 as a sum of consecutive naturals, namely, 6406584 + 6406585.

It is an arithmetic number, because the mean of its divisors is an integer number (6406585).

Almost surely, 2^12813169 is an apocalyptic number.

It is an amenable number.

12813169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12813169 is an equidigital number, since it uses as much as digits as its factorization.

12813169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 12813169 is about 3579.5487145728. The cubic root of 12813169 is about 234.0016132063.

The spelling of 12813169 in words is "twelve million, eight hundred thirteen thousand, one hundred sixty-nine".