12685597607 has 2 divisors, whose sum is σ = 12685597608. Its totient is φ = 12685597606.

The previous prime is 12685597549. The next prime is 12685597649. The reversal of 12685597607 is 70679558621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12685597607 - 2¹⁸ = 12685335463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12685597697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6342798803 + 6342798804.

It is an arithmetic number, because the mean of its divisors is an integer number (6342798804).

Almost surely, 2^12685597607 is an apocalyptic number.

12685597607 is a deficient number, since it is larger than the sum of its proper divisors (1).

12685597607 is an equidigital number, since it uses as much as digits as its factorization.

12685597607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 56.

The spelling of 12685597607 in words is "twelve billion, six hundred eighty-five million, five hundred ninety-seven thousand, six hundred seven".