13223344 has 20 divisors (see below), whose sum is σ = 26734896. Its totient is φ = 6324032.

The previous prime is 13223339. The next prime is 13223347. The reversal of 13223344 is 44332231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13223347) 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, 17599 + ... + 18334.

Almost surely, 2^13223344 is an apocalyptic number.

It is an amenable number.

13223344 is an abundant number, since it is smaller than the sum of its proper divisors (13511552).

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

13223344 is a wasteful number, since it uses less digits than its factorization.

13223344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35964 (or 35958 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 13223344 is about 3636.3916180742. The cubic root of 13223344 is about 236.4723852457.

Adding to 13223344 its reverse (44332231), we get a palindrome (57555575).

The spelling of 13223344 in words is "thirteen million, two hundred twenty-three thousand, three hundred forty-four".