12759959 has 4 divisors (see below), whose sum is σ = 12773280. Its totient is φ = 12746640.

The previous prime is 12759893. The next prime is 12759973. The reversal of 12759959 is 95995721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95995721 = 23 ⋅4173727.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12759959 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 (12759359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5102 + ... + 7179.

It is an arithmetic number, because the mean of its divisors is an integer number (3193320).

Almost surely, 2^12759959 is an apocalyptic number.

12759959 is a deficient number, since it is larger than the sum of its proper divisors (13321).

12759959 is a wasteful number, since it uses less digits than its factorization.

12759959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13320.

The product of its digits is 255150, while the sum is 47.

The square root of 12759959 is about 3572.1084809955. The cubic root of 12759959 is about 233.6772463678.

The spelling of 12759959 in words is "twelve million, seven hundred fifty-nine thousand, nine hundred fifty-nine".