12563324976 has 20 divisors (see below), whose sum is σ = 32455256312. Its totient is φ = 4187774976.

The previous prime is 12563324947. The next prime is 12563324993. The reversal of 12563324976 is 67942336521.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 261735937 = 12563324976 / (1 + 2 + 5 + 6 + 3 + 3 + 2 + 4 + 9 + 7 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130867921 + ... + 130868016.

Almost surely, 2^12563324976 is an apocalyptic number.

12563324976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12563324976 is an abundant number, since it is smaller than the sum of its proper divisors (19891931336).

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

12563324976 is a wasteful number, since it uses less digits than its factorization.

12563324976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261735948 (or 261735942 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 48.

The spelling of 12563324976 in words is "twelve billion, five hundred sixty-three million, three hundred twenty-four thousand, nine hundred seventy-six".