12864603688 has 16 divisors (see below), whose sum is σ = 24170669280. Its totient is φ = 6419091888.

The previous prime is 12864603679. The next prime is 12864603721. The reversal of 12864603688 is 88630646821.

12864603688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647106 + ... + 1654897.

It is an arithmetic number, because the mean of its divisors is an integer number (1510666830).

Almost surely, 2^12864603688 is an apocalyptic number.

It is an amenable number.

12864603688 is a deficient number, since it is larger than the sum of its proper divisors (11306065592).

12864603688 is a wasteful number, since it uses less digits than its factorization.

12864603688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302496 (or 3302492 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 12864603688 in words is "twelve billion, eight hundred sixty-four million, six hundred three thousand, six hundred eighty-eight".