It is a happy number.
It is a tau number, because it is divible by the number of its divisors (24).
It is an unprimeable number.
21291296 is an apocalyptic number.
1291296 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 pseudoperfect number, because it is the sum of a subset of its proper divisors.
1291296 is a wasteful number, since it uses less digits than its factorization.
1291296 is an evil number, because the sum of its binary digits is even.
The square root of 1291296 is about 1136.3520581228. The cubic root of 1291296 is about 108.8951661582.
The spelling of 1291296 in words is "one million, two hundred ninety-one thousand, two hundred ninety-six".