12788288 has 28 divisors (see below), whose sum is σ = 25523952. Its totient is φ = 6357120.

The previous prime is 12788263. The next prime is 12788327. The reversal of 12788288 is 88288721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13031 + ... + 13977.

Almost surely, 2^12788288 is an apocalyptic number.

It is an amenable number.

12788288 is a deficient number, since it is larger than the sum of its proper divisors (12735664).

12788288 is an equidigital number, since it uses as much as digits as its factorization.

12788288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 1160 counting only the distinct ones).

The product of its digits is 114688, while the sum is 44.

The square root of 12788288 is about 3576.0715876503. The cubic root of 12788288 is about 233.8500512526.

Subtracting from 12788288 its product of digits (114688), we obtain a square (12673600 = 3560²).

The spelling of 12788288 in words is "twelve million, seven hundred eighty-eight thousand, two hundred eighty-eight".