12956592395597 has 2 divisors, whose sum is σ = 12956592395598. Its totient is φ = 12956592395596.

The previous prime is 12956592395573. The next prime is 12956592395629. The reversal of 12956592395597 is 79559329565921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11372130763081 + 1584461632516 = 3372259^2 + 1258754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12956592395597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12956592395557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6478296197798 + 6478296197799.

It is an arithmetic number, because the mean of its divisors is an integer number (6478296197799).

Almost surely, 2^{12956592395597} is an apocalyptic number.

It is an amenable number.

12956592395597 is a deficient number, since it is larger than the sum of its proper divisors (1).

12956592395597 is an equidigital number, since it uses as much as digits as its factorization.

12956592395597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2066715000, while the sum is 77.

The spelling of 12956592395597 in words is "twelve trillion, nine hundred fifty-six billion, five hundred ninety-two million, three hundred ninety-five thousand, five hundred ninety-seven".