Adding to 12416 its reverse (61421), we get a palindrome (73837).
It is a tau number, because it is divible by the number of its divisors (16).
It is a self number, because there is not a number n which added to its sum of digits gives 12416.
It is a congruent number.
212416 is an apocalyptic number.
12416 is a gapful number since it is divisible by the number (16) 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 12416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12495).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12416 is an frugal number, since it uses more digits than its factorization.
12416 is an odious number, because the sum of its binary digits is odd.
The square root of 12416 is about 111.4271062175. The cubic root of 12416 is about 23.1558414882.
The spelling of 12416 in words is "twelve thousand, four hundred sixteen".