12600520704 has 260 divisors, whose sum is σ = 38034875736. Its totient is φ = 4156489728.

The previous prime is 12600520687. The next prime is 12600520739. The reversal of 12600520704 is 40702500621.

12600520704 is a `hidden beast` number, since 1 + 2 + 600 + 52 + 0 + 7 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54079372 + ... + 54079604.

Almost surely, 2^12600520704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12600520704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19017437868).

12600520704 is an abundant number, since it is smaller than the sum of its proper divisors (25434355032).

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

12600520704 is an equidigital number, since it uses as much as digits as its factorization.

12600520704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 12600520704 in words is "twelve billion, six hundred million, five hundred twenty thousand, seven hundred four".