12943169 has 2 divisors, whose sum is σ = 12943170. Its totient is φ = 12943168.

The previous prime is 12943157. The next prime is 12943187. The reversal of 12943169 is 96134921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11155600 + 1787569 = 3340^2 + 1337^2 .

It is a cyclic number.

It is not a de Polignac number, because 12943169 - 2⁴ = 12943153 is a prime.

It is a super-2 number, since 2×12943169² = 335051247525122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12943109) 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, 6471584 + 6471585.

It is an arithmetic number, because the mean of its divisors is an integer number (6471585).

Almost surely, 2^12943169 is an apocalyptic number.

It is an amenable number.

12943169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12943169 is an equidigital number, since it uses as much as digits as its factorization.

12943169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 12943169 is about 3597.6616016518. The cubic root of 12943169 is about 234.7903305660.

The spelling of 12943169 in words is "twelve million, nine hundred forty-three thousand, one hundred sixty-nine".