12560005747 has 2 divisors, whose sum is σ = 12560005748. Its totient is φ = 12560005746.

The previous prime is 12560005721. The next prime is 12560005769. The reversal of 12560005747 is 74750006521.

It is a strong prime.

It is an emirp because it is prime and its reverse (74750006521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12560005747 is a prime.

It is not a weakly prime, because it can be changed into another prime (12560005147) 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, 6280002873 + 6280002874.

It is an arithmetic number, because the mean of its divisors is an integer number (6280002874).

Almost surely, 2^12560005747 is an apocalyptic number.

12560005747 is a deficient number, since it is larger than the sum of its proper divisors (1).

12560005747 is an equidigital number, since it uses as much as digits as its factorization.

12560005747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 12560005747 in words is "twelve billion, five hundred sixty million, five thousand, seven hundred forty-seven".