13240223213 has 12 divisors (see below), whose sum is σ = 15440323932. Its totient is φ = 11320444800.

The previous prime is 13240223201. The next prime is 13240223273. The reversal of 13240223213 is 31232204231.

It can be written as a sum of positive squares in 2 ways, for example, as 7043069929 + 6197153284 = 83923^2 + 78722^2 .

It is not a de Polignac number, because 13240223213 - 2⁶ = 13240223149 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 (13240223273) 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 11 ways as a sum of consecutive naturals, for example, 317270 + ... + 356567.

It is an arithmetic number, because the mean of its divisors is an integer number (1286693661).

Almost surely, 2^13240223213 is an apocalyptic number.

It is an amenable number.

13240223213 is a deficient number, since it is larger than the sum of its proper divisors (2200100719).

13240223213 is an equidigital number, since it uses as much as digits as its factorization.

13240223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674252 (or 674245 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13240223213 its reverse (31232204231), we get a palindrome (44472427444).

The spelling of 13240223213 in words is "thirteen billion, two hundred forty million, two hundred twenty-three thousand, two hundred thirteen".