It is a nialpdrome in base 11.
It is a congruent number.
212496 is an apocalyptic number.
12496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
12496 is the 71-st heptagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12496 is a wasteful number, since it uses less digits than its factorization.
12496 is an odious number, because the sum of its binary digits is odd.
The square root of 12496 is about 111.7855088999. The cubic root of 12496 is about 23.2054683899.
The spelling of 12496 in words is "twelve thousand, four hundred ninety-six".