13260124445 has 4 divisors (see below), whose sum is σ = 15912149340. Its totient is φ = 10608099552.

The previous prime is 13260124439. The next prime is 13260124447. The reversal of 13260124445 is 54442106231.

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 7793888089 + 5466236356 = 88283^2 + 73934^2 .

It is a cyclic number.

It is not a de Polignac number, because 13260124445 - 2¹⁰ = 13260123421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13260124447) 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, 1326012440 + ... + 1326012449.

It is an arithmetic number, because the mean of its divisors is an integer number (3978037335).

Almost surely, 2^13260124445 is an apocalyptic number.

It is an amenable number.

13260124445 is a deficient number, since it is larger than the sum of its proper divisors (2652024895).

13260124445 is an equidigital number, since it uses as much as digits as its factorization.

13260124445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652024894.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 13260124445 in words is "thirteen billion, two hundred sixty million, one hundred twenty-four thousand, four hundred forty-five".