12479737 has 4 divisors (see below), whose sum is σ = 12594340. Its totient is φ = 12365136.

The previous prime is 12479723. The next prime is 12479759. The reversal of 12479737 is 73797421.

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 5103081 + 7376656 = 2259^2 + 2716^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12479737 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 12479737.

It is not an unprimeable number, because it can be changed into a prime (12479707) 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, 57138 + ... + 57355.

It is an arithmetic number, because the mean of its divisors is an integer number (3148585).

Almost surely, 2^12479737 is an apocalyptic number.

It is an amenable number.

12479737 is a deficient number, since it is larger than the sum of its proper divisors (114603).

12479737 is a wasteful number, since it uses less digits than its factorization.

12479737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114602.

The product of its digits is 74088, while the sum is 40.

The square root of 12479737 is about 3532.6671227275. The cubic root of 12479737 is about 231.9539705056.

The spelling of 12479737 in words is "twelve million, four hundred seventy-nine thousand, seven hundred thirty-seven".