Search a number
12283 = 71173
BaseRepresentation
bin10111111111011
3121211221
42333323
5343113
6132511
750545
oct27773
917757
1012283
119257
127137
13578b
144695
15398d
hex2ffb

12283 has 4 divisors (see below), whose sum is σ = 12528. Its totient is φ = 12040.

The previous prime is 12281. The next prime is 12289. The reversal of 12283 is 38221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38221 = 371033.

It is a cyclic number.

It is not a de Polignac number, because 12283 - 21 = 12281 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (12281) 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, 16 + ... + 157.

It is an arithmetic number, because the mean of its divisors is an integer number (3132).

212283 is an apocalyptic number.

12283 is a deficient number, since it is larger than the sum of its proper divisors (245).

12283 is an equidigital number, since it uses as much as digits as its factorization.

12283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244.

The product of its digits is 96, while the sum is 16.

The square root of 12283 is about 110.8286966449. The cubic root of 12283 is about 23.0728628184.

The spelling of 12283 in words is "twelve thousand, two hundred eighty-three".

Divisors: 1 71 173 12283