12018268 has 12 divisors (see below), whose sum is σ = 21065800. Its totient is φ = 5999472.

The previous prime is 12018263. The next prime is 12018271. The reversal of 12018268 is 86281021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12018263) 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, 883 + ... + 4981.

Almost surely, 2^12018268 is an apocalyptic number.

It is an amenable number.

12018268 is a deficient number, since it is larger than the sum of its proper divisors (9047532).

12018268 is a wasteful number, since it uses less digits than its factorization.

12018268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836 (or 4834 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 12018268 is about 3466.7373710738. The cubic root of 12018268 is about 229.0589653843.

Adding to 12018268 its reverse (86281021), we get a palindrome (98299289).

The spelling of 12018268 in words is "twelve million, eighteen thousand, two hundred sixty-eight".