It is a tau number, because it is divible by the number of its divisors (64).
It is an unprimeable number.
Almost surely, 212191872 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 12191872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15153120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12191872 is a wasteful number, since it uses less digits than its factorization.
12191872 is an odious number, because the sum of its binary digits is odd.
The square root of 12191872 is about 3491.6861256419. The cubic root of 12191872 is about 230.1566167063.
The spelling of 12191872 in words is "twelve million, one hundred ninety-one thousand, eight hundred seventy-two".