12043 has 2 divisors, whose sum is σ = 12044. Its totient is φ = 12042.

The previous prime is 12041. The next prime is 12049. The reversal of 12043 is 34021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12043 - 2¹ = 12041 is a prime.

Together with 12041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021 + 6022.

It is an arithmetic number, because the mean of its divisors is an integer number (6022).

2¹²⁰⁴³ is an apocalyptic number.

12043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12043 is an equidigital number, since it uses as much as digits as its factorization.

12043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 12043 is about 109.7406032424. The cubic root of 12043 is about 22.9215982041.

Adding to 12043 its reverse (34021), we get a palindrome (46064).

The spelling of 12043 in words is "twelve thousand, forty-three", and thus it is an iban number.