13233320 has 32 divisors (see below), whose sum is σ = 30412800. Its totient is φ = 5179968.

The previous prime is 13233313. The next prime is 13233331. The reversal of 13233320 is 2333231.

13233320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640 + ... + 5399.

It is an arithmetic number, because the mean of its divisors is an integer number (950400).

Almost surely, 2^13233320 is an apocalyptic number.

13233320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13233320 is an abundant number, since it is smaller than the sum of its proper divisors (17179480).

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

13233320 is a wasteful number, since it uses less digits than its factorization.

13233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097 (or 7093 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 13233320 is about 3637.7630489079. The cubic root of 13233320 is about 236.5318370637.

Adding to 13233320 its reverse (2333231), we get a palindrome (15566551).

The spelling of 13233320 in words is "thirteen million, two hundred thirty-three thousand, three hundred twenty".