12479579 has 4 divisors (see below), whose sum is σ = 14262384. Its totient is φ = 10696776.

The previous prime is 12479567. The next prime is 12479587. The reversal of 12479579 is 97597421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97597421 = 293 ⋅333097.

It is a cyclic number.

It is not a de Polignac number, because 12479579 - 2¹² = 12475483 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12479549) 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, 891392 + ... + 891405.

It is an arithmetic number, because the mean of its divisors is an integer number (3565596).

Almost surely, 2^12479579 is an apocalyptic number.

12479579 is a deficient number, since it is larger than the sum of its proper divisors (1782805).

12479579 is an equidigital number, since it uses as much as digits as its factorization.

12479579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782804.

The product of its digits is 158760, while the sum is 44.

The square root of 12479579 is about 3532.6447599497. The cubic root of 12479579 is about 231.9529916152.

The spelling of 12479579 in words is "twelve million, four hundred seventy-nine thousand, five hundred seventy-nine".