It is a self number, because there is not a number n which added to its sum of digits gives 11813976.
It is a congruent number.
It is an unprimeable number.
Almost surely, 211813976 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11813976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16972800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11813976 is a wasteful number, since it uses less digits than its factorization.
11813976 is an odious number, because the sum of its binary digits is odd.
The square root of 11813976 is about 3437.1464909136. The cubic root of 11813976 is about 227.7536582212.
The spelling of 11813976 in words is "eleven million, eight hundred thirteen thousand, nine hundred seventy-six".