18006112 has 12 divisors (see below), whose sum is σ = 35449596. Its totient is φ = 9003040.

The previous prime is 18006073. The next prime is 18006113. The reversal of 18006112 is 21160081.

It is a self number, because there is not a number n which added to its sum of digits gives 18006112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18006113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281314 + ... + 281377.

It is an arithmetic number, because the mean of its divisors is an integer number (2954133).

Almost surely, 2^18006112 is an apocalyptic number.

It is an amenable number.

18006112 is a deficient number, since it is larger than the sum of its proper divisors (17443484).

18006112 is an equidigital number, since it uses as much as digits as its factorization.

18006112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562701 (or 562693 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 18006112 is about 4243.3609320914. The cubic root of 18006112 is about 262.1037989741.

Adding to 18006112 its reverse (21160081), we get a palindrome (39166193).

The spelling of 18006112 in words is "eighteen million, six thousand, one hundred twelve".