12479715 has 48 divisors (see below), whose sum is σ = 22857120. Its totient is φ = 6289920.

The previous prime is 12479711. The next prime is 12479723. The reversal of 12479715 is 51797421.

It is a happy number.

12479715 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12479715 - 2² = 12479711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12479715.

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

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95200 + ... + 95330.

It is an arithmetic number, because the mean of its divisors is an integer number (476190).

Almost surely, 2^12479715 is an apocalyptic number.

12479715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12479715 is a deficient number, since it is larger than the sum of its proper divisors (10377405).

12479715 is a wasteful number, since it uses less digits than its factorization.

12479715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 241 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 12479715 is about 3532.6640089315. The cubic root of 12479715 is about 231.9538342049.

The spelling of 12479715 in words is "twelve million, four hundred seventy-nine thousand, seven hundred fifteen".