Adding to 12330 its reverse (3321), we get a palindrome (15651).
Subtracting from 12330 its reverse (3321), we obtain a palindrome (9009).
It is a happy number.
It is an unprimeable number.
212330 is an apocalyptic number.
12330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12330 is a wasteful number, since it uses less digits than its factorization.
12330 is an odious number, because the sum of its binary digits is odd.
The square root of 12330 is about 111.0405331399. The cubic root of 12330 is about 23.1022542355.
The spelling of 12330 in words is "twelve thousand, three hundred thirty".