12560347756 has 24 divisors (see below), whose sum is σ = 23989495824. Its totient is φ = 5706713280.

The previous prime is 12560347747. The next prime is 12560347777. The reversal of 12560347756 is 65774306521.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 38646 + ... + 163138.

It is an arithmetic number, because the mean of its divisors is an integer number (999562326).

Almost surely, 2^12560347756 is an apocalyptic number.

It is an amenable number.

12560347756 is a deficient number, since it is larger than the sum of its proper divisors (11429148068).

12560347756 is a wasteful number, since it uses less digits than its factorization.

12560347756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126801 (or 126799 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 12560347756 in words is "twelve billion, five hundred sixty million, three hundred forty-seven thousand, seven hundred fifty-six".