12000843 has 24 divisors (see below), whose sum is σ = 17886960. Its totient is φ = 7750080.

The previous prime is 12000841. The next prime is 12000851. The reversal of 12000843 is 34800021.

It is a happy number.

It is not a de Polignac number, because 12000843 - 2¹ = 12000841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12000841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66213 + ... + 66393.

It is an arithmetic number, because the mean of its divisors is an integer number (745290).

Almost surely, 2^12000843 is an apocalyptic number.

12000843 is a deficient number, since it is larger than the sum of its proper divisors (5886117).

12000843 is a wasteful number, since it uses less digits than its factorization.

12000843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 12000843 is about 3464.2232895701. The cubic root of 12000843 is about 228.9482094635.

Adding to 12000843 its reverse (34800021), we get a palindrome (46800864).

The spelling of 12000843 in words is "twelve million, eight hundred forty-three", and thus it is an aban number.