12556933 has 2 divisors, whose sum is σ = 12556934. Its totient is φ = 12556932.

The previous prime is 12556879. The next prime is 12556937. The reversal of 12556933 is 33965521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11512449 + 1044484 = 3393^2 + 1022^2 .

It is a cyclic number.

It is not a de Polignac number, because 12556933 - 2²¹ = 10459781 is a prime.

It is a plaindrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12556937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6278466 + 6278467.

It is an arithmetic number, because the mean of its divisors is an integer number (6278467).

Almost surely, 2^12556933 is an apocalyptic number.

It is an amenable number.

12556933 is a deficient number, since it is larger than the sum of its proper divisors (1).

12556933 is an equidigital number, since it uses as much as digits as its factorization.

12556933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 34.

The square root of 12556933 is about 3543.5763008577. The cubic root of 12556933 is about 232.4312541963.

The spelling of 12556933 in words is "twelve million, five hundred fifty-six thousand, nine hundred thirty-three".