12672474866 has 12 divisors (see below), whose sum is σ = 20192646858. Its totient is φ = 5963517312.

The previous prime is 12672474863. The next prime is 12672474961. The reversal of 12672474866 is 66847427621.

It can be written as a sum of positive squares in 3 ways, for example, as 11711784841 + 960690025 = 108221^2 + 30995^2 .

It is not an unprimeable number, because it can be changed into a prime (12672474863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10961771 + ... + 10962926.

Almost surely, 2^12672474866 is an apocalyptic number.

12672474866 is a deficient number, since it is larger than the sum of its proper divisors (7520171992).

12672474866 is a wasteful number, since it uses less digits than its factorization.

12672474866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21924733 (or 21924716 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 53.

The spelling of 12672474866 in words is "twelve billion, six hundred seventy-two million, four hundred seventy-four thousand, eight hundred sixty-six".