Subtracting from 13530 its reverse (3531), we obtain a palindrome (9999).
It is a happy number.
13530 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
13530 is strictly pandigital in base 6.
It is a Curzon number.
13530 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
213530 is an apocalyptic number.
13530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13530 is the 164-th triangular number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13530 is a wasteful number, since it uses less digits than its factorization.
13530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62.
The square root of 13530 is about 116.3185281888. The cubic root of 13530 is about 23.8286405201.
The spelling of 13530 in words is "thirteen thousand, five hundred thirty".