12613365256 has 16 divisors (see below), whose sum is σ = 23654299500. Its totient is φ = 6305552064.

The previous prime is 12613365217. The next prime is 12613365257. The reversal of 12613365256 is 65256331621.

12613365256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9183388900 + 3429976356 = 95830^2 + 58566^2 .

It is not an unprimeable number, because it can be changed into a prime (12613365257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92931 + ... + 184018.

Almost surely, 2^12613365256 is an apocalyptic number.

It is an amenable number.

12613365256 is a deficient number, since it is larger than the sum of its proper divisors (11040934244).

12613365256 is a wasteful number, since it uses less digits than its factorization.

12613365256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282648 (or 282644 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

Adding to 12613365256 its reverse (65256331621), we get a palindrome (77869696877).

The spelling of 12613365256 in words is "twelve billion, six hundred thirteen million, three hundred sixty-five thousand, two hundred fifty-six".