12731079 has 16 divisors (see below), whose sum is σ = 18282240. Its totient is φ = 7850880.

The previous prime is 12731063. The next prime is 12731093. The reversal of 12731079 is 97013721.

It is not a de Polignac number, because 12731079 - 2⁴ = 12731063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12731039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (1142640).

Almost surely, 2^12731079 is an apocalyptic number.

12731079 is a deficient number, since it is larger than the sum of its proper divisors (5551161).

12731079 is a wasteful number, since it uses less digits than its factorization.

12731079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 12731079 is about 3568.0637606411. The cubic root of 12731079 is about 233.5008169419.

The spelling of 12731079 in words is "twelve million, seven hundred thirty-one thousand, seventy-nine".