12847812648 has 32 divisors (see below), whose sum is σ = 35039489760. Its totient is φ = 3893276480.

The previous prime is 12847812643. The next prime is 12847812709. The reversal of 12847812648 is 84621874821.

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 12847812648.

It is not an unprimeable number, because it can be changed into a prime (12847812643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24332715 + ... + 24333242.

It is an arithmetic number, because the mean of its divisors is an integer number (1094984055).

Almost surely, 2^12847812648 is an apocalyptic number.

It is an amenable number.

12847812648 is an abundant number, since it is smaller than the sum of its proper divisors (22191677112).

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

12847812648 is a wasteful number, since it uses less digits than its factorization.

12847812648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48665977 (or 48665973 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 51.

The spelling of 12847812648 in words is "twelve billion, eight hundred forty-seven million, eight hundred twelve thousand, six hundred forty-eight".