13223404 has 6 divisors (see below), whose sum is σ = 23140964. Its totient is φ = 6611700.

The previous prime is 13223401. The next prime is 13223423. The reversal of 13223404 is 40432231.

It is not an unprimeable number, because it can be changed into a prime (13223401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1652922 + ... + 1652929.

Almost surely, 2^13223404 is an apocalyptic number.

It is an amenable number.

13223404 is a deficient number, since it is larger than the sum of its proper divisors (9917560).

13223404 is a wasteful number, since it uses less digits than its factorization.

13223404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305855 (or 3305853 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 13223404 is about 3636.3998680013. The cubic root of 13223404 is about 236.4727429041.

Adding to 13223404 its reverse (40432231), we get a palindrome (53655635).

The spelling of 13223404 in words is "thirteen million, two hundred twenty-three thousand, four hundred four".