12028818 has 8 divisors (see below), whose sum is σ = 24057648. Its totient is φ = 4009604.

The previous prime is 12028817. The next prime is 12028829. The reversal of 12028818 is 81882021.

It is a sphenic number, since it is the product of 3 distinct primes.

12028818 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12028817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002396 + ... + 1002407.

It is an arithmetic number, because the mean of its divisors is an integer number (3007206).

Almost surely, 2^12028818 is an apocalyptic number.

12028818 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.

12028818 is a wasteful number, since it uses less digits than its factorization.

12028818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004808.

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 12028818 is about 3468.2586408744. The cubic root of 12028818 is about 229.1259707497.

The spelling of 12028818 in words is "twelve million, twenty-eight thousand, eight hundred eighteen".