12955684397 has 2 divisors, whose sum is σ = 12955684398. Its totient is φ = 12955684396.

The previous prime is 12955684381. The next prime is 12955684433. The reversal of 12955684397 is 79348655921.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12945660841 + 10023556 = 113779^2 + 3166^2 .

It is a cyclic number.

It is not a de Polignac number, because 12955684397 - 2⁴ = 12955684381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12955684307) 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, 6477842198 + 6477842199.

It is an arithmetic number, because the mean of its divisors is an integer number (6477842199).

Almost surely, 2^12955684397 is an apocalyptic number.

It is an amenable number.

12955684397 is a deficient number, since it is larger than the sum of its proper divisors (1).

12955684397 is an equidigital number, since it uses as much as digits as its factorization.

12955684397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 59.

The spelling of 12955684397 in words is "twelve billion, nine hundred fifty-five million, six hundred eighty-four thousand, three hundred ninety-seven".