13305237213 has 4 divisors (see below), whose sum is σ = 17740316288. Its totient is φ = 8870158140.

The previous prime is 13305237199. The next prime is 13305237227. The reversal of 13305237213 is 31273250331.

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 an interprime number because it is at equal distance from previous prime (13305237199) and next prime (13305237227).

It is not a de Polignac number, because 13305237213 - 2⁸ = 13305236957 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 (13305237233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2217539533 + ... + 2217539538.

It is an arithmetic number, because the mean of its divisors is an integer number (4435079072).

Almost surely, 2^13305237213 is an apocalyptic number.

It is an amenable number.

13305237213 is a deficient number, since it is larger than the sum of its proper divisors (4435079075).

13305237213 is an equidigital number, since it uses as much as digits as its factorization.

13305237213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435079074.

The product of its (nonzero) digits is 11340, while the sum is 30.

Adding to 13305237213 its reverse (31273250331), we get a palindrome (44578487544).

The spelling of 13305237213 in words is "thirteen billion, three hundred five million, two hundred thirty-seven thousand, two hundred thirteen".