12936943 has 2 divisors, whose sum is σ = 12936944. Its totient is φ = 12936942.

The previous prime is 12936919. The next prime is 12936947. The reversal of 12936943 is 34963921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12936943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12936947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6468471 + 6468472.

It is an arithmetic number, because the mean of its divisors is an integer number (6468472).

Almost surely, 2^12936943 is an apocalyptic number.

12936943 is a deficient number, since it is larger than the sum of its proper divisors (1).

12936943 is an equidigital number, since it uses as much as digits as its factorization.

12936943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 12936943 is about 3596.7962132987. The cubic root of 12936943 is about 234.7526777817.

The spelling of 12936943 in words is "twelve million, nine hundred thirty-six thousand, nine hundred forty-three".