12133288 has 8 divisors (see below), whose sum is σ = 22749930. Its totient is φ = 6066640.

The previous prime is 12133283. The next prime is 12133301. The reversal of 12133288 is 88233121.

It can be written as a sum of positive squares in only one way, i.e., 11168964 + 964324 = 3342^2 + 982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12133283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758323 + ... + 758338.

Almost surely, 2^12133288 is an apocalyptic number.

It is an amenable number.

12133288 is a deficient number, since it is larger than the sum of its proper divisors (10616642).

12133288 is a wasteful number, since it uses less digits than its factorization.

12133288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516667 (or 1516663 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 12133288 is about 3483.2869534392. The cubic root of 12133288 is about 229.7873775418.

It can be divided in two parts, 12133 and 288, that added together give a palindrome (12421).

The spelling of 12133288 in words is "twelve million, one hundred thirty-three thousand, two hundred eighty-eight".