12479858 has 4 divisors (see below), whose sum is σ = 18719790. Its totient is φ = 6239928.

The previous prime is 12479851. The next prime is 12479879. The reversal of 12479858 is 85897421.

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

It can be written as a sum of positive squares in only one way, i.e., 12271009 + 208849 = 3503^2 + 457^2 .

It is not an unprimeable number, because it can be changed into a prime (12479851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3119963 + ... + 3119966.

Almost surely, 2^12479858 is an apocalyptic number.

12479858 is a deficient number, since it is larger than the sum of its proper divisors (6239932).

12479858 is an equidigital number, since it uses as much as digits as its factorization.

12479858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239931.

The product of its digits is 161280, while the sum is 44.

The square root of 12479858 is about 3532.6842485566. The cubic root of 12479858 is about 231.9547201565.

The spelling of 12479858 in words is "twelve million, four hundred seventy-nine thousand, eight hundred fifty-eight".