12305 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a Curzon number.
It is a plaindrome in base 14.
212305 is an apocalyptic number.
It is an amenable number.
12305 is a wasteful number, since it uses less digits than its factorization.
12305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135.
The square root of 12305 is about 110.9279045146. The cubic root of 12305 is about 23.0866298197.
Adding to 12305 its reverse (50321), we get a palindrome (62626).
The spelling of 12305 in words is "twelve thousand, three hundred five".