12613732 has 12 divisors (see below), whose sum is σ = 22612716. Its totient is φ = 6152960.

The previous prime is 12613721. The next prime is 12613823. The reversal of 12613732 is 23731621.

It can be written as a sum of positive squares in 2 ways, for example, as 3709476 + 8904256 = 1926^2 + 2984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12613697 and 12613706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38293 + ... + 38620.

It is an arithmetic number, because the mean of its divisors is an integer number (1884393).

Almost surely, 2^12613732 is an apocalyptic number.

It is an amenable number.

12613732 is a deficient number, since it is larger than the sum of its proper divisors (9998984).

12613732 is a wasteful number, since it uses less digits than its factorization.

12613732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76958 (or 76956 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 12613732 is about 3551.5816195042. The cubic root of 12613732 is about 232.7811806014.

The spelling of 12613732 in words is "twelve million, six hundred thirteen thousand, seven hundred thirty-two".