12663653684 has 48 divisors (see below), whose sum is σ = 24571450176. Its totient is φ = 5662483200.

The previous prime is 12663653683. The next prime is 12663653689. The reversal of 12663653684 is 48635636621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663653683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270199 + ... + 1280129.

It is an arithmetic number, because the mean of its divisors is an integer number (511905212).

Almost surely, 2^12663653684 is an apocalyptic number.

It is an amenable number.

12663653684 is a deficient number, since it is larger than the sum of its proper divisors (11907796492).

12663653684 is a wasteful number, since it uses less digits than its factorization.

12663653684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10416 (or 10414 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 50.

The spelling of 12663653684 in words is "twelve billion, six hundred sixty-three million, six hundred fifty-three thousand, six hundred eighty-four".