12599613504 has 105 divisors (see below), whose sum is σ = 37373174047. Its totient is φ = 4197177216.

The previous prime is 12599613497. The next prime is 12599613517. The reversal of 12599613504 is 40531699521.

The square root of 12599613504 is 112248.

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

12599613504 is a `hidden beast` number, since 1 + 2 + 59 + 96 + 1 + 3 + 504 = 666.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12599613504.

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, 8081077 + ... + 8082635.

Almost surely, 2^12599613504 is an apocalyptic number.

12599613504 is the 112248-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12599613504

12599613504 is an abundant number, since it is smaller than the sum of its proper divisors (24773560543).

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

12599613504 is an frugal number, since it uses more digits than its factorization.

12599613504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 12599613504 in words is "twelve billion, five hundred ninety-nine million, six hundred thirteen thousand, five hundred four".