13245630605 has 4 divisors (see below), whose sum is σ = 15894756732. Its totient is φ = 10596504480.

The previous prime is 13245630599. The next prime is 13245630667. The reversal of 13245630605 is 50603654231.

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 6551445481 + 6694185124 = 80941^2 + 81818^2 .

It is not a de Polignac number, because 13245630605 - 2⁴ = 13245630589 is a prime.

It is a super-2 number, since 2×13245630605² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 1324563056 + ... + 1324563065.

It is an arithmetic number, because the mean of its divisors is an integer number (3973689183).

Almost surely, 2^13245630605 is an apocalyptic number.

It is an amenable number.

13245630605 is a deficient number, since it is larger than the sum of its proper divisors (2649126127).

13245630605 is an equidigital number, since it uses as much as digits as its factorization.

13245630605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649126126.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 13245630605 in words is "thirteen billion, two hundred forty-five million, six hundred thirty thousand, six hundred five".