13244134213 has 4 divisors (see below), whose sum is σ = 13245938860. Its totient is φ = 13242329568.

The previous prime is 13244134159. The next prime is 13244134237. The reversal of 13244134213 is 31243144231.

It is a happy number.

13244134213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12774198529 + 469935684 = 113023^2 + 21678^2 .

It is a cyclic number.

It is not a de Polignac number, because 13244134213 - 2²⁹ = 12707263301 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 (13244135213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891270 + ... + 906007.

It is an arithmetic number, because the mean of its divisors is an integer number (3311484715).

Almost surely, 2^13244134213 is an apocalyptic number.

It is an amenable number.

13244134213 is a deficient number, since it is larger than the sum of its proper divisors (1804647).

13244134213 is an equidigital number, since it uses as much as digits as its factorization.

13244134213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804646.

The product of its digits is 6912, while the sum is 28.

Adding to 13244134213 its reverse (31243144231), we get a palindrome (44487278444).

The spelling of 13244134213 in words is "thirteen billion, two hundred forty-four million, one hundred thirty-four thousand, two hundred thirteen".