12562598897 has 2 divisors, whose sum is σ = 12562598898. Its totient is φ = 12562598896.

The previous prime is 12562598887. The next prime is 12562598899. The reversal of 12562598897 is 79889526521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9453867361 + 3108731536 = 97231^2 + 55756^2 .

It is a cyclic number.

It is not a de Polignac number, because 12562598897 - 2¹⁸ = 12562336753 is a prime.

Together with 12562598899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12562598899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6281299448 + 6281299449.

It is an arithmetic number, because the mean of its divisors is an integer number (6281299449).

Almost surely, 2^12562598897 is an apocalyptic number.

It is an amenable number.

12562598897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12562598897 is an equidigital number, since it uses as much as digits as its factorization.

12562598897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 62.

The spelling of 12562598897 in words is "twelve billion, five hundred sixty-two million, five hundred ninety-eight thousand, eight hundred ninety-seven".