It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1341599 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
21341599 is an apocalyptic number.
1341599 is an equidigital number, since it uses as much as digits as its factorization.
1341599 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191664.
The square root of 1341599 is about 1158.2741471690. The cubic root of 1341599 is about 110.2912118422.
The spelling of 1341599 in words is "one million, three hundred forty-one thousand, five hundred ninety-nine".