12479663 has 12 divisors (see below), whose sum is σ = 14588352. Its totient is φ = 10644480.

The previous prime is 12479653. The next prime is 12479671. The reversal of 12479663 is 36697421.

It is not a de Polignac number, because 12479663 - 2⁴ = 12479647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12479603) 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, 12098 + ... + 13088.

It is an arithmetic number, because the mean of its divisors is an integer number (1215696).

Almost surely, 2^12479663 is an apocalyptic number.

12479663 is a deficient number, since it is larger than the sum of its proper divisors (2108689).

12479663 is an equidigital number, since it uses as much as digits as its factorization.

12479663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262 (or 1255 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 12479663 is about 3532.6566490391. The cubic root of 12479663 is about 231.9535120390.

The spelling of 12479663 in words is "twelve million, four hundred seventy-nine thousand, six hundred sixty-three".