12943417 has 2 divisors, whose sum is σ = 12943418. Its totient is φ = 12943416.

The previous prime is 12943397. The next prime is 12943429. The reversal of 12943417 is 71434921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7974976 + 4968441 = 2824^2 + 2229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12943417 is a prime.

It is not a weakly prime, because it can be changed into another prime (12943487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6471708 + 6471709.

It is an arithmetic number, because the mean of its divisors is an integer number (6471709).

Almost surely, 2^12943417 is an apocalyptic number.

It is an amenable number.

12943417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12943417 is an equidigital number, since it uses as much as digits as its factorization.

12943417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 12943417 is about 3597.6960683193. The cubic root of 12943417 is about 234.7918301377.

The spelling of 12943417 in words is "twelve million, nine hundred forty-three thousand, four hundred seventeen".