12936056709 has 32 divisors (see below), whose sum is σ = 17969040000. Its totient is φ = 8268001280.

The previous prime is 12936056701. The next prime is 12936056759. The reversal of 12936056709 is 90765063921.

It is a cyclic number.

It is not a de Polignac number, because 12936056709 - 2³ = 12936056701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12936056701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8629042 + ... + 8630540.

It is an arithmetic number, because the mean of its divisors is an integer number (561532500).

Almost surely, 2^12936056709 is an apocalyptic number.

It is an amenable number.

12936056709 is a deficient number, since it is larger than the sum of its proper divisors (5032983291).

12936056709 is a wasteful number, since it uses less digits than its factorization.

12936056709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165.

The product of its (nonzero) digits is 612360, while the sum is 48.

The spelling of 12936056709 in words is "twelve billion, nine hundred thirty-six million, fifty-six thousand, seven hundred nine".