12288818 has 4 divisors (see below), whose sum is σ = 18433230. Its totient is φ = 6144408.

The previous prime is 12288817. The next prime is 12288821. The reversal of 12288818 is 81888221.

12288818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10936249 + 1352569 = 3307^2 + 1163^2 .

It is a nialpdrome in base 16.

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 as a sum of consecutive naturals, namely, 3072203 + ... + 3072206.

Almost surely, 2^12288818 is an apocalyptic number.

12288818 is a deficient number, since it is larger than the sum of its proper divisors (6144412).

12288818 is an equidigital number, since it uses as much as digits as its factorization.

12288818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6144411.

The product of its digits is 16384, while the sum is 38.

The square root of 12288818 is about 3505.5410424070. The cubic root of 12288818 is about 230.7650516223.

The spelling of 12288818 in words is "twelve million, two hundred eighty-eight thousand, eight hundred eighteen".