12663367860 has 96 divisors (see below), whose sum is σ = 41656309632. Its totient is φ = 2833758720.

The previous prime is 12663367841. The next prime is 12663367903. The reversal of 12663367860 is 6876336621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 729379 + ... + 746538.

It is an arithmetic number, because the mean of its divisors is an integer number (433919892).

Almost surely, 2^12663367860 is an apocalyptic number.

12663367860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12663367860 is an abundant number, since it is smaller than the sum of its proper divisors (28992941772).

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

12663367860 is a wasteful number, since it uses less digits than its factorization.

12663367860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475953 (or 1475951 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 12663367860 in words is "twelve billion, six hundred sixty-three million, three hundred sixty-seven thousand, eight hundred sixty".