12288836 has 12 divisors (see below), whose sum is σ = 24577728. Its totient is φ = 5266632.

The previous prime is 12288823. The next prime is 12288869. The reversal of 12288836 is 63888221.

12288836 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12288836.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 219416 + ... + 219471.

It is an arithmetic number, because the mean of its divisors is an integer number (2048144).

Almost surely, 2^12288836 is an apocalyptic number.

It is an amenable number.

12288836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12288836 is a wasteful number, since it uses less digits than its factorization.

12288836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438898 (or 438896 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 12288836 is about 3505.5436097701. The cubic root of 12288836 is about 230.7651642930.

The spelling of 12288836 in words is "twelve million, two hundred eighty-eight thousand, eight hundred thirty-six".