12663312794 has 8 divisors (see below), whose sum is σ = 20721784608. Its totient is φ = 5756051260.

The previous prime is 12663312773. The next prime is 12663312799. The reversal of 12663312794 is 49721336621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12663312799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287802542 + ... + 287802585.

It is an arithmetic number, because the mean of its divisors is an integer number (2590223076).

Almost surely, 2^12663312794 is an apocalyptic number.

12663312794 is a deficient number, since it is larger than the sum of its proper divisors (8058471814).

12663312794 is a wasteful number, since it uses less digits than its factorization.

12663312794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575605140.

The product of its digits is 326592, while the sum is 44.

The spelling of 12663312794 in words is "twelve billion, six hundred sixty-three million, three hundred twelve thousand, seven hundred ninety-four".