12813882187 has 2 divisors, whose sum is σ = 12813882188. Its totient is φ = 12813882186.

The previous prime is 12813882181. The next prime is 12813882227. The reversal of 12813882187 is 78128831821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12813882187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12813882187.

It is not a weakly prime, because it can be changed into another prime (12813882181) 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, 6406941093 + 6406941094.

It is an arithmetic number, because the mean of its divisors is an integer number (6406941094).

Almost surely, 2^12813882187 is an apocalyptic number.

12813882187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12813882187 is an equidigital number, since it uses as much as digits as its factorization.

12813882187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 344064, while the sum is 49.

The spelling of 12813882187 in words is "twelve billion, eight hundred thirteen million, eight hundred eighty-two thousand, one hundred eighty-seven".