13223266 has 8 divisors (see below), whose sum is σ = 22668480. Its totient is φ = 5667108.

The previous prime is 13223239. The next prime is 13223269. The reversal of 13223266 is 66232231.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13223266.

It is not an unprimeable number, because it can be changed into a prime (13223269) 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 3 ways as a sum of consecutive naturals, for example, 472246 + ... + 472273.

It is an arithmetic number, because the mean of its divisors is an integer number (2833560).

Almost surely, 2^13223266 is an apocalyptic number.

13223266 is a deficient number, since it is larger than the sum of its proper divisors (9445214).

13223266 is an equidigital number, since it uses as much as digits as its factorization.

13223266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944528.

The product of its digits is 2592, while the sum is 25.

The square root of 13223266 is about 3636.3808931409. The cubic root of 13223266 is about 236.4719202881.

Adding to 13223266 its reverse (66232231), we get a palindrome (79455497).

The spelling of 13223266 in words is "thirteen million, two hundred twenty-three thousand, two hundred sixty-six".