12479761 has 12 divisors (see below), whose sum is σ = 14857392. Its totient is φ = 10446408.

The previous prime is 12479759. The next prime is 12479783. The reversal of 12479761 is 16797421.

It is not a de Polignac number, because 12479761 - 2¹ = 12479759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12479761.

It is not an unprimeable number, because it can be changed into a prime (12479711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 855 + ... + 5068.

It is an arithmetic number, because the mean of its divisors is an integer number (1238116).

Almost surely, 2^12479761 is an apocalyptic number.

It is an amenable number.

12479761 is a deficient number, since it is larger than the sum of its proper divisors (2377631).

12479761 is an equidigital number, since it uses as much as digits as its factorization.

12479761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980 (or 5973 counting only the distinct ones).

The product of its digits is 21168, while the sum is 37.

The square root of 12479761 is about 3532.6705195928. The cubic root of 12479761 is about 231.9541191970.

The spelling of 12479761 in words is "twelve million, four hundred seventy-nine thousand, seven hundred sixty-one".