12688299913 has 2 divisors, whose sum is σ = 12688299914. Its totient is φ = 12688299912.

The previous prime is 12688299901. The next prime is 12688299973. The reversal of 12688299913 is 31999288621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8222318329 + 4465981584 = 90677^2 + 66828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12688299913 is a prime.

It is not a weakly prime, because it can be changed into another prime (12688299973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6344149956 + 6344149957.

It is an arithmetic number, because the mean of its divisors is an integer number (6344149957).

Almost surely, 2^12688299913 is an apocalyptic number.

It is an amenable number.

12688299913 is a deficient number, since it is larger than the sum of its proper divisors (1).

12688299913 is an equidigital number, since it uses as much as digits as its factorization.

12688299913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 58.

The spelling of 12688299913 in words is "twelve billion, six hundred eighty-eight million, two hundred ninety-nine thousand, nine hundred thirteen".