12513588457 has 2 divisors, whose sum is σ = 12513588458. Its totient is φ = 12513588456.

The previous prime is 12513588419. The next prime is 12513588487. The reversal of 12513588457 is 75488531521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8748047961 + 3765540496 = 93531^2 + 61364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12513588457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12513588457.

It is not a weakly prime, because it can be changed into another prime (12513588407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256794228 + 6256794229.

It is an arithmetic number, because the mean of its divisors is an integer number (6256794229).

Almost surely, 2^12513588457 is an apocalyptic number.

It is an amenable number.

12513588457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513588457 is an equidigital number, since it uses as much as digits as its factorization.

12513588457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344000, while the sum is 49.

The spelling of 12513588457 in words is "twelve billion, five hundred thirteen million, five hundred eighty-eight thousand, four hundred fifty-seven".