12679759 has 2 divisors, whose sum is σ = 12679760. Its totient is φ = 12679758.

The previous prime is 12679753. The next prime is 12679769. The reversal of 12679759 is 95797621.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (95797621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12679759 - 2¹¹ = 12677711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12679753) 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 as a sum of consecutive naturals, namely, 6339879 + 6339880.

It is an arithmetic number, because the mean of its divisors is an integer number (6339880).

Almost surely, 2^12679759 is an apocalyptic number.

12679759 is a deficient number, since it is larger than the sum of its proper divisors (1).

12679759 is an equidigital number, since it uses as much as digits as its factorization.

12679759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 46.

The square root of 12679759 is about 3560.8649230208. The cubic root of 12679759 is about 233.1866409030.

It can be divided in two parts, 1267 and 9759, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 12679759 in words is "twelve million, six hundred seventy-nine thousand, seven hundred fifty-nine".