12872666806 has 8 divisors (see below), whose sum is σ = 19316802960. Its totient is φ = 6433732488.

The previous prime is 12872666789. The next prime is 12872666809. The reversal of 12872666806 is 60866627821.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12872666809) 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, 1294266 + ... + 1304173.

It is an arithmetic number, because the mean of its divisors is an integer number (2414600370).

Almost surely, 2^12872666806 is an apocalyptic number.

12872666806 is a deficient number, since it is larger than the sum of its proper divisors (6444136154).

12872666806 is a wasteful number, since it uses less digits than its factorization.

12872666806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600918.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 12872666806 in words is "twelve billion, eight hundred seventy-two million, six hundred sixty-six thousand, eight hundred six".