12707636723 has 4 divisors (see below), whose sum is σ = 12709068840. Its totient is φ = 12706204608.

The previous prime is 12707636713. The next prime is 12707636771. The reversal of 12707636723 is 32763670721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12707636723 - 2⁶ = 12707636659 is a prime.

It is a super-3 number, since 3×12707636723³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12707636713) 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, 702665 + ... + 720522.

It is an arithmetic number, because the mean of its divisors is an integer number (3177267210).

Almost surely, 2^12707636723 is an apocalyptic number.

12707636723 is a deficient number, since it is larger than the sum of its proper divisors (1432117).

12707636723 is an equidigital number, since it uses as much as digits as its factorization.

12707636723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432116.

The product of its (nonzero) digits is 444528, while the sum is 44.

The spelling of 12707636723 in words is "twelve billion, seven hundred seven million, six hundred thirty-six thousand, seven hundred twenty-three".