12779079 has 8 divisors (see below), whose sum is σ = 17055360. Its totient is φ = 8511096.

The previous prime is 12779069. The next prime is 12779083. The reversal of 12779079 is 97097721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12779079 - 2⁵ = 12779047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12779079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12779029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4504 + ... + 6770.

It is an arithmetic number, because the mean of its divisors is an integer number (2131920).

Almost surely, 2^12779079 is an apocalyptic number.

12779079 is a deficient number, since it is larger than the sum of its proper divisors (4276281).

12779079 is a wasteful number, since it uses less digits than its factorization.

12779079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149.

The product of its (nonzero) digits is 55566, while the sum is 42.

The square root of 12779079 is about 3574.7837696845. The cubic root of 12779079 is about 233.7939050284.

The spelling of 12779079 in words is "twelve million, seven hundred seventy-nine thousand, seventy-nine".