13223213 has 2 divisors, whose sum is σ = 13223214. Its totient is φ = 13223212.

The previous prime is 13223201. The next prime is 13223237. The reversal of 13223213 is 31232231.

13223213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13118884 + 104329 = 3622^2 + 323^2 .

It is an emirp because it is prime and its reverse (31232231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13223213 - 2¹⁰ = 13222189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13223191 and 13223200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13220213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611606 + 6611607.

It is an arithmetic number, because the mean of its divisors is an integer number (6611607).

Almost surely, 2^13223213 is an apocalyptic number.

It is an amenable number.

13223213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223213 is an equidigital number, since it uses as much as digits as its factorization.

13223213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 17.

The square root of 13223213 is about 3636.3736056682. The cubic root of 13223213 is about 236.4716043543.

Adding to 13223213 its reverse (31232231), we get a palindrome (44455444).

The spelling of 13223213 in words is "thirteen million, two hundred twenty-three thousand, two hundred thirteen".