13233128 has 16 divisors (see below), whose sum is σ = 25069380. Its totient is φ = 6547968.

The previous prime is 13233127. The next prime is 13233149. The reversal of 13233128 is 82133231.

It can be written as a sum of positive squares in 2 ways, for example, as 13118884 + 114244 = 3622^2 + 338^2 .

It is not an unprimeable number, because it can be changed into a prime (13233127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7751 + ... + 9302.

Almost surely, 2^13233128 is an apocalyptic number.

It is an amenable number.

13233128 is a deficient number, since it is larger than the sum of its proper divisors (11836252).

13233128 is a wasteful number, since it uses less digits than its factorization.

13233128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17156 (or 17152 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 13233128 is about 3637.7366589680. The cubic root of 13233128 is about 236.5306931247.

Adding to 13233128 its reverse (82133231), we get a palindrome (95366359).

The spelling of 13233128 in words is "thirteen million, two hundred thirty-three thousand, one hundred twenty-eight".