It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1326943 is a prime.
1326943 is a lucky number.
It is a zygodrome in base 4.
It is a congruent number.
21326943 is an apocalyptic number.
1326943 is an equidigital number, since it uses as much as digits as its factorization.
1326943 is an evil number, because the sum of its binary digits is even.
The square root of 1326943 is about 1151.9301194083. The cubic root of 1326943 is about 109.8881231675. Note that the first 3 decimals are identical.
The spelling of 1326943 in words is "one million, three hundred twenty-six thousand, nine hundred forty-three".