12018275 has 6 divisors (see below), whose sum is σ = 14902692. Its totient is φ = 9614600.

The previous prime is 12018271. The next prime is 12018299. The reversal of 12018275 is 57281021.

It is not a de Polignac number, because 12018275 - 2² = 12018271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12018271) 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 5 ways as a sum of consecutive naturals, for example, 240341 + ... + 240390.

It is an arithmetic number, because the mean of its divisors is an integer number (2483782).

Almost surely, 2^12018275 is an apocalyptic number.

12018275 is a deficient number, since it is larger than the sum of its proper divisors (2884417).

12018275 is an equidigital number, since it uses as much as digits as its factorization.

12018275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480741 (or 480736 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12018275 is about 3466.7383806685. The cubic root of 12018275 is about 229.0590098558.

Adding to 12018275 its reverse (57281021), we get a palindrome (69299296).

The spelling of 12018275 in words is "twelve million, eighteen thousand, two hundred seventy-five".