12707318636 has 24 divisors (see below), whose sum is σ = 23639997360. Its totient is φ = 5959656000.

The previous prime is 12707318633. The next prime is 12707318647. The reversal of 12707318636 is 63681370721.

It is a super-3 number, since 3×12707318636³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12707318633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820055 + ... + 835406.

It is an arithmetic number, because the mean of its divisors is an integer number (984999890).

Almost surely, 2^12707318636 is an apocalyptic number.

It is an amenable number.

12707318636 is a deficient number, since it is larger than the sum of its proper divisors (10932678724).

12707318636 is a wasteful number, since it uses less digits than its factorization.

12707318636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655585 (or 1655583 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 12707318636 in words is "twelve billion, seven hundred seven million, three hundred eighteen thousand, six hundred thirty-six".