13223211 has 8 divisors (see below), whose sum is σ = 17652624. Its totient is φ = 8804640.

The previous prime is 13223201. The next prime is 13223213. The reversal of 13223211 is 11232231.

13223211 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13223211 - 2⁵ = 13223179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13223213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781 + ... + 5201.

It is an arithmetic number, because the mean of its divisors is an integer number (2206578).

Almost surely, 2^13223211 is an apocalyptic number.

13223211 is a deficient number, since it is larger than the sum of its proper divisors (4429413).

13223211 is an equidigital number, since it uses as much as digits as its factorization.

13223211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421.

The product of its digits is 72, while the sum is 15.

The square root of 13223211 is about 3636.3733306689. The cubic root of 13223211 is about 236.4715924323.

Adding to 13223211 its reverse (11232231), we get a palindrome (24455442).

The spelling of 13223211 in words is "thirteen million, two hundred twenty-three thousand, two hundred eleven".