12479305 has 4 divisors (see below), whose sum is σ = 14975172. Its totient is φ = 9983440.

The previous prime is 12479297. The next prime is 12479321. The reversal of 12479305 is 50397421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5817744 + 6661561 = 2412^2 + 2581^2 .

It is not a de Polignac number, because 12479305 - 2³ = 12479297 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247926 + ... + 1247935.

It is an arithmetic number, because the mean of its divisors is an integer number (3743793).

Almost surely, 2^12479305 is an apocalyptic number.

It is an amenable number.

12479305 is a deficient number, since it is larger than the sum of its proper divisors (2495867).

12479305 is an equidigital number, since it uses as much as digits as its factorization.

12479305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495866.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 12479305 is about 3532.6059785943. The cubic root of 12479305 is about 231.9512940263.

The spelling of 12479305 in words is "twelve million, four hundred seventy-nine thousand, three hundred five".