12662714399 has 4 divisors (see below), whose sum is σ = 12664246320. Its totient is φ = 12661182480.

The previous prime is 12662714387. The next prime is 12662714419. The reversal of 12662714399 is 99341726621.

12662714399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12662714399 - 2²⁸ = 12394278943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662714329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753494 + ... + 770115.

It is an arithmetic number, because the mean of its divisors is an integer number (3166061580).

Almost surely, 2^12662714399 is an apocalyptic number.

12662714399 is a deficient number, since it is larger than the sum of its proper divisors (1531921).

12662714399 is an equidigital number, since it uses as much as digits as its factorization.

12662714399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531920.

The product of its digits is 979776, while the sum is 50.

The spelling of 12662714399 in words is "twelve billion, six hundred sixty-two million, seven hundred fourteen thousand, three hundred ninety-nine".