12647928608 has 144 divisors (see below), whose sum is σ = 30000305664. Its totient is φ = 5230310400.

The previous prime is 12647928599. The next prime is 12647928613. The reversal of 12647928608 is 80682974621.

It is a self number, because there is not a number n which added to its sum of digits gives 12647928608.

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 23 ways as a sum of consecutive naturals, for example, 5378633 + ... + 5380983.

It is an arithmetic number, because the mean of its divisors is an integer number (208335456).

Almost surely, 2^12647928608 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 12647928608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15000152832).

12647928608 is an abundant number, since it is smaller than the sum of its proper divisors (17352377056).

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

12647928608 is a wasteful number, since it uses less digits than its factorization.

12647928608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 2480 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 12647928608 in words is "twelve billion, six hundred forty-seven million, nine hundred twenty-eight thousand, six hundred eight".