12445104313 has 4 divisors (see below), whose sum is σ = 12615585268. Its totient is φ = 12274623360.

The previous prime is 12445104271. The next prime is 12445104319. The reversal of 12445104313 is 31340154421.

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 7814029609 + 4631074704 = 88397^2 + 68052^2 .

It is a cyclic number.

It is not a de Polignac number, because 12445104313 - 2²⁵ = 12411549881 is a prime.

It is a super-2 number, since 2×12445104313² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12445104319) 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, 85240368 + ... + 85240513.

It is an arithmetic number, because the mean of its divisors is an integer number (3153896317).

Almost surely, 2^12445104313 is an apocalyptic number.

It is an amenable number.

12445104313 is a deficient number, since it is larger than the sum of its proper divisors (170480955).

12445104313 is an equidigital number, since it uses as much as digits as its factorization.

12445104313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170480954.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 12445104313 its reverse (31340154421), we get a palindrome (43785258734).

The spelling of 12445104313 in words is "twelve billion, four hundred forty-five million, one hundred four thousand, three hundred thirteen".