18672112 has 40 divisors (see below), whose sum is σ = 37403856. Its totient is φ = 9025536.

The previous prime is 18672109. The next prime is 18672127. The reversal of 18672112 is 21127681.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 82143 + ... + 82369.

Almost surely, 2^18672112 is an apocalyptic number.

It is an amenable number.

18672112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

18672112 is a wasteful number, since it uses less digits than its factorization.

18672112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 379 counting only the distinct ones).

The product of its digits is 1344, while the sum is 28.

The square root of 18672112 is about 4321.1239278688. The cubic root of 18672112 is about 265.2962724149.

Adding to 18672112 its reverse (21127681), we get a palindrome (39799793).

The spelling of 18672112 in words is "eighteen million, six hundred seventy-two thousand, one hundred twelve".