12709479 has 8 divisors (see below), whose sum is σ = 17110912. Its totient is φ = 8390520.

The previous prime is 12709457. The next prime is 12709483. The reversal of 12709479 is 97490721.

12709479 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12709479 - 2⁵ = 12709447 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 (12709379) 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, 20257 + ... + 20874.

It is an arithmetic number, because the mean of its divisors is an integer number (2138864).

Almost surely, 2^12709479 is an apocalyptic number.

12709479 is a deficient number, since it is larger than the sum of its proper divisors (4401433).

12709479 is a wasteful number, since it uses less digits than its factorization.

12709479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41237.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 12709479 is about 3565.0356239454. The cubic root of 12709479 is about 233.3686869334.

The spelling of 12709479 in words is "twelve million, seven hundred nine thousand, four hundred seventy-nine".