12607696656 has 75 divisors (see below), whose sum is σ = 36502035031. Its totient is φ = 4201218144.

The previous prime is 12607696649. The next prime is 12607696693. The reversal of 12607696656 is 65669670621.

The square root of 12607696656 is 112284.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

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 14 ways as a sum of consecutive naturals, for example, 4040665 + ... + 4043783.

Almost surely, 2^12607696656 is an apocalyptic number.

12607696656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12607696656 is the 112284-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12607696656

12607696656 is an abundant number, since it is smaller than the sum of its proper divisors (23894338375).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12607696656 is an frugal number, since it uses more digits than its factorization.

12607696656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258 (or 3124 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 12607696656 in words is "twelve billion, six hundred seven million, six hundred ninety-six thousand, six hundred fifty-six".