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BaseRepresentation
bin11000001010011
3121222012
43001103
5343441
6133135
751032
oct30123
917865
1012371
119327
1271ab
135828
144719
1539eb
hex3053

12371 has 4 divisors (see below), whose sum is σ = 12600. Its totient is φ = 12144.

The previous prime is 12347. The next prime is 12373. The reversal of 12371 is 17321.

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.

It is not an unprimeable number, because it can be changed into a prime (12373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20 + ... + 158.

It is an arithmetic number, because the mean of its divisors is an integer number (3150).

212371 is an apocalyptic number.

12371 is a deficient number, since it is larger than the sum of its proper divisors (229).

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 product of its digits is 42, while the sum is 14.

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).

It can be divided in two parts, 12 and 371, that added together give a palindrome (383).

The spelling of 12371 in words is "twelve thousand, three hundred seventy-one", and thus it is an iban number.

Divisors: 1 89 139 12371