6996 is nontrivially palindromic in base 10.
It is a plaindrome in base 14.
It is a nialpdrome in base 6.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 6996.
6996 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
26996 is an apocalyptic number.
6996 is a gapful number since it is divisible by the number (66) 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 6996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6996 is a wasteful number, since it uses less digits than its factorization.
6996 is an odious number, because the sum of its binary digits is odd.
The square root of 6996 is about 83.6420946653. The cubic root of 6996 is about 19.1256674550.
The spelling of 6996 in words is "six thousand, nine hundred ninety-six".