12793479 has 12 divisors (see below), whose sum is σ = 18004536. Its totient is φ = 8079408.

The previous prime is 12793477. The next prime is 12793499. The reversal of 12793479 is 97439721.

12793479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12793479 - 2¹ = 12793477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12793479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12793477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4824 + ... + 6989.

It is an arithmetic number, because the mean of its divisors is an integer number (1500378).

Almost surely, 2^12793479 is an apocalyptic number.

12793479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12793479 is a deficient number, since it is larger than the sum of its proper divisors (5211057).

12793479 is a wasteful number, since it uses less digits than its factorization.

12793479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11854 (or 11835 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The square root of 12793479 is about 3576.7973104441. The cubic root of 12793479 is about 233.8816883100.

The spelling of 12793479 in words is "twelve million, seven hundred ninety-three thousand, four hundred seventy-nine".