12788232 has 32 divisors (see below), whose sum is σ = 32335200. Its totient is φ = 4214144.

The previous prime is 12788227. The next prime is 12788239. The reversal of 12788232 is 23288721.

It is a junction number, because it is equal to n+sod(n) for n = 12788193 and 12788202.

It is not an unprimeable number, because it can be changed into a prime (12788239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 858 + ... + 5129.

It is an arithmetic number, because the mean of its divisors is an integer number (1010475).

Almost surely, 2^12788232 is an apocalyptic number.

12788232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12788232 is an abundant number, since it is smaller than the sum of its proper divisors (19546968).

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

12788232 is a wasteful number, since it uses less digits than its factorization.

12788232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085 (or 6081 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 12788232 is about 3576.0637578209. The cubic root of 12788232 is about 233.8497099085.

The spelling of 12788232 in words is "twelve million, seven hundred eighty-eight thousand, two hundred thirty-two".