12613224373 has 4 divisors (see below), whose sum is σ = 12613491180. Its totient is φ = 12612957568.

The previous prime is 12613224353. The next prime is 12613224383. The reversal of 12613224373 is 37342231621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37342231621 = 227 ⋅164503223.

It can be written as a sum of positive squares in 2 ways, for example, as 7003513969 + 5609710404 = 83687^2 + 74898^2 .

It is a cyclic number.

It is not a de Polignac number, because 12613224373 - 2¹⁷ = 12613093301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12613224313) 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, 41290 + ... + 164107.

It is an arithmetic number, because the mean of its divisors is an integer number (3153372795).

Almost surely, 2^12613224373 is an apocalyptic number.

It is an amenable number.

12613224373 is a deficient number, since it is larger than the sum of its proper divisors (266807).

12613224373 is an equidigital number, since it uses as much as digits as its factorization.

12613224373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266806.

The product of its digits is 36288, while the sum is 34.

Adding to 12613224373 its reverse (37342231621), we get a palindrome (49955455994).

The spelling of 12613224373 in words is "twelve billion, six hundred thirteen million, two hundred twenty-four thousand, three hundred seventy-three".