12657144713 has 2 divisors, whose sum is σ = 12657144714. Its totient is φ = 12657144712.

The previous prime is 12657144679. The next prime is 12657144749. The reversal of 12657144713 is 31744175621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9890700304 + 2766444409 = 99452^2 + 52597^2 .

It is a cyclic number.

It is not a de Polignac number, because 12657144713 - 2⁸ = 12657144457 is a prime.

It is not a weakly prime, because it can be changed into another prime (12657144763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6328572356 + 6328572357.

It is an arithmetic number, because the mean of its divisors is an integer number (6328572357).

Almost surely, 2^12657144713 is an apocalyptic number.

It is an amenable number.

12657144713 is a deficient number, since it is larger than the sum of its proper divisors (1).

12657144713 is an equidigital number, since it uses as much as digits as its factorization.

12657144713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The spelling of 12657144713 in words is "twelve billion, six hundred fifty-seven million, one hundred forty-four thousand, seven hundred thirteen".