12594720768 has 104 divisors (see below), whose sum is σ = 38379487488. Its totient is φ = 3598467072.

The previous prime is 12594720767. The next prime is 12594720781. The reversal of 12594720768 is 86702749521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12594720768.

It is not an unprimeable number, because it can be changed into a prime (12594720767) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12805 + ... + 159227.

Almost surely, 2^12594720768 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 12594720768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19189743744).

12594720768 is an abundant number, since it is smaller than the sum of its proper divisors (25784766720).

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

12594720768 is an equidigital number, since it uses as much as digits as its factorization.

12594720768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146457 (or 146435 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 12594720768 in words is "twelve billion, five hundred ninety-four million, seven hundred twenty thousand, seven hundred sixty-eight".