Adding to 18300 its reverse (381), we get a palindrome (18681).
It is a plaindrome in base 16.
It is a nialpdrome in base 12.
It is a congruent number.
18300 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
218300 is an apocalyptic number.
18300 is a gapful number since it is divisible by the number (10) 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 18300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18300 is a wasteful number, since it uses less digits than its factorization.
18300 is an odious number, because the sum of its binary digits is odd.
The square root of 18300 is about 135.2774925847. The cubic root of 18300 is about 26.3522092227.
The spelling of 18300 in words is "eighteen thousand, three hundred".