13223888 has 10 divisors (see below), whose sum is σ = 25621314. Its totient is φ = 6611936.

The previous prime is 13223879. The next prime is 13223893. The reversal of 13223888 is 88832231.

It is a happy number.

13223888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13162384 + 61504 = 3628^2 + 248^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413231 + ... + 413262.

Almost surely, 2^13223888 is an apocalyptic number.

It is an amenable number.

13223888 is a deficient number, since it is larger than the sum of its proper divisors (12397426).

13223888 is an equidigital number, since it uses as much as digits as its factorization.

13223888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826501 (or 826495 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 13223888 is about 3636.4664167293. The cubic root of 13223888 is about 236.4756279760.

The spelling of 13223888 in words is "thirteen million, two hundred twenty-three thousand, eight hundred eighty-eight".