12018572 has 6 divisors (see below), whose sum is σ = 21032508. Its totient is φ = 6009284.

The previous prime is 12018569. The next prime is 12018577. The reversal of 12018572 is 27581021.

It is not an unprimeable number, because it can be changed into a prime (12018577) 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 as a sum of consecutive naturals, namely, 1502318 + ... + 1502325.

It is an arithmetic number, because the mean of its divisors is an integer number (3505418).

Almost surely, 2^12018572 is an apocalyptic number.

It is an amenable number.

12018572 is a deficient number, since it is larger than the sum of its proper divisors (9013936).

12018572 is a wasteful number, since it uses less digits than its factorization.

12018572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004647 (or 3004645 counting only the distinct ones).

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

The square root of 12018572 is about 3466.7812160562. The cubic root of 12018572 is about 229.0608967036.

Adding to 12018572 its reverse (27581021), we get a palindrome (39599593).

The spelling of 12018572 in words is "twelve million, eighteen thousand, five hundred seventy-two".