12663872113 has 2 divisors, whose sum is σ = 12663872114. Its totient is φ = 12663872112.

The previous prime is 12663872069. The next prime is 12663872149. The reversal of 12663872113 is 31127836621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7363012864 + 5300859249 = 85808^2 + 72807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12663872113 is a prime.

It is not a weakly prime, because it can be changed into another prime (12663872213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6331936056 + 6331936057.

It is an arithmetic number, because the mean of its divisors is an integer number (6331936057).

Almost surely, 2^12663872113 is an apocalyptic number.

It is an amenable number.

12663872113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12663872113 is an equidigital number, since it uses as much as digits as its factorization.

12663872113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The spelling of 12663872113 in words is "twelve billion, six hundred sixty-three million, eight hundred seventy-two thousand, one hundred thirteen".