12479449 has 4 divisors (see below), whose sum is σ = 12492964. Its totient is φ = 12465936.

The previous prime is 12479437. The next prime is 12479473. The reversal of 12479449 is 94497421.

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 11269449 + 1210000 = 3357^2 + 1100^2 .

It is a cyclic number.

It is not a de Polignac number, because 12479449 - 2⁷ = 12479321 is a prime.

It is a Duffinian number.

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, 5262 + ... + 7255.

It is an arithmetic number, because the mean of its divisors is an integer number (3123241).

Almost surely, 2^12479449 is an apocalyptic number.

It is an amenable number.

12479449 is a deficient number, since it is larger than the sum of its proper divisors (13515).

12479449 is an equidigital number, since it uses as much as digits as its factorization.

12479449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13514.

The product of its digits is 72576, while the sum is 40.

The square root of 12479449 is about 3532.6263600896. The cubic root of 12479449 is about 231.9521861929.

The spelling of 12479449 in words is "twelve million, four hundred seventy-nine thousand, four hundred forty-nine".