12288812 has 12 divisors (see below), whose sum is σ = 21535080. Its totient is φ = 6135936.

The previous prime is 12288799. The next prime is 12288817. The reversal of 12288812 is 21888221.

12288812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12288817) 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, 2063 + ... + 5369.

It is an arithmetic number, because the mean of its divisors is an integer number (1794590).

Almost surely, 2^12288812 is an apocalyptic number.

It is an amenable number.

12288812 is a deficient number, since it is larger than the sum of its proper divisors (9246268).

12288812 is a wasteful number, since it uses less digits than its factorization.

12288812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240 (or 4238 counting only the distinct ones).

The product of its digits is 4096, while the sum is 32.

The square root of 12288812 is about 3505.5401866189. The cubic root of 12288812 is about 230.7650140654.

The spelling of 12288812 in words is "twelve million, two hundred eighty-eight thousand, eight hundred twelve".