12679259 has 4 divisors (see below), whose sum is σ = 12699504. Its totient is φ = 12659016.

The previous prime is 12679253. The next prime is 12679267. The reversal of 12679259 is 95297621.

12679259 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 a de Polignac number, because none of the positive numbers 2^k-12679259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12679253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9152 + ... + 10445.

It is an arithmetic number, because the mean of its divisors is an integer number (3174876).

Almost surely, 2^12679259 is an apocalyptic number.

12679259 is a deficient number, since it is larger than the sum of its proper divisors (20245).

12679259 is an equidigital number, since it uses as much as digits as its factorization.

12679259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20244.

The product of its digits is 68040, while the sum is 41.

The square root of 12679259 is about 3560.7947146669. The cubic root of 12679259 is about 233.1835757856.

The spelling of 12679259 in words is "twelve million, six hundred seventy-nine thousand, two hundred fifty-nine".