13223206 has 16 divisors (see below), whose sum is σ = 20782944. Its totient is φ = 6297984.

The previous prime is 13223201. The next prime is 13223213. The reversal of 13223206 is 60232231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15076 + ... + 15928.

It is an arithmetic number, because the mean of its divisors is an integer number (1298934).

Almost surely, 2^13223206 is an apocalyptic number.

13223206 is a deficient number, since it is larger than the sum of its proper divisors (7559738).

13223206 is a wasteful number, since it uses less digits than its factorization.

13223206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13223206 is about 3636.3726431707. The cubic root of 13223206 is about 236.4715626272.

Adding to 13223206 its reverse (60232231), we get a palindrome (73455437).

The spelling of 13223206 in words is "thirteen million, two hundred twenty-three thousand, two hundred six".