13020304613 has 4 divisors (see below), whose sum is σ = 13022257248. Its totient is φ = 13018351980.

The previous prime is 13020304603. The next prime is 13020304621. The reversal of 13020304613 is 31640302031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13020304613 - 2⁴ = 13020304597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020304603) 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, 966281 + ... + 979662.

It is an arithmetic number, because the mean of its divisors is an integer number (3255564312).

Almost surely, 2^13020304613 is an apocalyptic number.

It is an amenable number.

13020304613 is a deficient number, since it is larger than the sum of its proper divisors (1952635).

13020304613 is an equidigital number, since it uses as much as digits as its factorization.

13020304613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952634.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13020304613 its reverse (31640302031), we get a palindrome (44660606644).

The spelling of 13020304613 in words is "thirteen billion, twenty million, three hundred four thousand, six hundred thirteen".