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BaseRepresentation
bin10111101101111
3121122202
42331233
5342033
6132115
750255
oct27557
917582
1012143
11913a
12703b
1356b1
1445d5
1538e8
hex2f6f

12143 has 2 divisors, whose sum is σ = 12144. Its totient is φ = 12142.

The previous prime is 12119. The next prime is 12149. The reversal of 12143 is 34121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12143 - 28 = 11887 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071 + 6072.

It is an arithmetic number, because the mean of its divisors is an integer number (6072).

212143 is an apocalyptic number.

12143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143 is an equidigital number, since it uses as much as digits as its factorization.

12143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24, while the sum is 11.

The square root of 12143 is about 110.1952812057. The cubic root of 12143 is about 22.9848671722.

Adding to 12143 its product of digits (24), we get a cube (12167 = 233).

Adding to 12143 its reverse (34121), we get a palindrome (46264).

The spelling of 12143 in words is "twelve thousand, one hundred forty-three", and thus it is an iban number.