13223208 has 32 divisors (see below), whose sum is σ = 33953760. Its totient is φ = 4288320.

The previous prime is 13223201. The next prime is 13223213. The reversal of 13223208 is 80232231.

It is a super-2 number, since 2×13223208² = 349706459622528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13223201) 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, 6558 + ... + 8333.

It is an arithmetic number, because the mean of its divisors is an integer number (1061055).

Almost surely, 2^13223208 is an apocalyptic number.

It is an amenable number.

13223208 is an abundant number, since it is smaller than the sum of its proper divisors (20730552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13223208 is a wasteful number, since it uses less digits than its factorization.

13223208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14937 (or 14933 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 13223208 is about 3636.3729181700. The cubic root of 13223208 is about 236.4715745492.

Adding to 13223208 its reverse (80232231), we get a palindrome (93455439).

It can be divided in two parts, 13223 and 208, that added together give a palindrome (13431).

The spelling of 13223208 in words is "thirteen million, two hundred twenty-three thousand, two hundred eight".