12971766684 has 12 divisors (see below), whose sum is σ = 30267455624. Its totient is φ = 4323922224.

The previous prime is 12971766679. The next prime is 12971766737. The reversal of 12971766684 is 48666717921.

12971766684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540490267 + ... + 540490290.

Almost surely, 2^12971766684 is an apocalyptic number.

It is an amenable number.

12971766684 is an abundant number, since it is smaller than the sum of its proper divisors (17295688940).

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

12971766684 is a wasteful number, since it uses less digits than its factorization.

12971766684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080980564 (or 1080980562 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 57.

The spelling of 12971766684 in words is "twelve billion, nine hundred seventy-one million, seven hundred sixty-six thousand, six hundred eighty-four".