It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14711 = 47 ⋅313.
It is a cyclic number.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
211741 is an apocalyptic number.
It is an amenable number.
11741 is an equidigital number, since it uses as much as digits as its factorization.
11741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258.
The square root of 11741 is about 108.3558950865. The cubic root of 11741 is about 22.7283737648.
The spelling of 11741 in words is "eleven thousand, seven hundred forty-one", and thus it is an iban number.