13223788 has 24 divisors (see below), whose sum is σ = 23763600. Its totient is φ = 6436608.

The previous prime is 13223783. The next prime is 13223801. The reversal of 13223788 is 88732231.

It is not an unprimeable number, because it can be changed into a prime (13223783) 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 in 7 ways as a sum of consecutive naturals, for example, 32128 + ... + 32536.

It is an arithmetic number, because the mean of its divisors is an integer number (990150).

Almost surely, 2^13223788 is an apocalyptic number.

It is an amenable number.

13223788 is a deficient number, since it is larger than the sum of its proper divisors (10539812).

13223788 is a wasteful number, since it uses less digits than its factorization.

13223788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 607 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 13223788 is about 3636.4526670919. The cubic root of 13223788 is about 236.4750318925.

The spelling of 13223788 in words is "thirteen million, two hundred twenty-three thousand, seven hundred eighty-eight".