12859673399 has 4 divisors (see below), whose sum is σ = 12986997000. Its totient is φ = 12732349800.

The previous prime is 12859673383. The next prime is 12859673447. The reversal of 12859673399 is 99337695821.

It is a happy number.

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 12859673399 - 2⁴ = 12859673383 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 (12859673369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63661649 + ... + 63661850.

It is an arithmetic number, because the mean of its divisors is an integer number (3246749250).

Almost surely, 2^12859673399 is an apocalyptic number.

12859673399 is a deficient number, since it is larger than the sum of its proper divisors (127323601).

12859673399 is a wasteful number, since it uses less digits than its factorization.

12859673399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127323600.

The product of its digits is 22044960, while the sum is 62.

The spelling of 12859673399 in words is "twelve billion, eight hundred fifty-nine million, six hundred seventy-three thousand, three hundred ninety-nine".