12863327648 has 48 divisors (see below), whose sum is σ = 26062041600. Its totient is φ = 6245104896.

The previous prime is 12863327639. The next prime is 12863327669. The reversal of 12863327648 is 84672336821.

It is a junction number, because it is equal to n+sod(n) for n = 12863327596 and 12863327605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584753 + ... + 606351.

It is an arithmetic number, because the mean of its divisors is an integer number (542959200).

Almost surely, 2^12863327648 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 12863327648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13031020800).

12863327648 is an abundant number, since it is smaller than the sum of its proper divisors (13198713952).

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

12863327648 is a wasteful number, since it uses less digits than its factorization.

12863327648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22149 (or 22141 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 50.

The spelling of 12863327648 in words is "twelve billion, eight hundred sixty-three million, three hundred twenty-seven thousand, six hundred forty-eight".