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-12371 is a prime.
It is a Duffinian number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 12371.
212371 is an apocalyptic number.
12371 is an equidigital number, since it uses as much as digits as its factorization.
12371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228.
The square root of 12371 is about 111.2249971904. The cubic root of 12371 is about 23.1278326211.
Adding to 12371 its reverse (17321), we get a palindrome (29692).
Subtracting 12371 from its reverse (17321), we obtain a triangular number (4950 = T99).
The spelling of 12371 in words is "twelve thousand, three hundred seventy-one", and thus it is an iban number.