18026112 has 128 divisors (see below), whose sum is σ = 54149760. Its totient is φ = 5271552.

The previous prime is 18026087. The next prime is 18026123. The reversal of 18026112 is 21162081.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114738 + ... + 114894.

It is an arithmetic number, because the mean of its divisors is an integer number (423045).

Almost surely, 2^18026112 is an apocalyptic number.

18026112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18026112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27074880).

18026112 is an abundant number, since it is smaller than the sum of its proper divisors (36123648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18026112 is a wasteful number, since it uses less digits than its factorization.

18026112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 18026112 is about 4245.7169005952. The cubic root of 18026112 is about 262.2008055966.

Adding to 18026112 its reverse (21162081), we get a palindrome (39188193).

The spelling of 18026112 in words is "eighteen million, twenty-six thousand, one hundred twelve".