12000851 has 2 divisors, whose sum is σ = 12000852. Its totient is φ = 12000850.

The previous prime is 12000841. The next prime is 12000881. The reversal of 12000851 is 15800021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12000841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000425 + 6000426.

It is an arithmetic number, because the mean of its divisors is an integer number (6000426).

Almost surely, 2^12000851 is an apocalyptic number.

12000851 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000851 is an equidigital number, since it uses as much as digits as its factorization.

12000851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 12000851 is about 3464.2244442299. The cubic root of 12000851 is about 228.9482603373.

Adding to 12000851 its reverse (15800021), we get a palindrome (27800872).

The spelling of 12000851 in words is "twelve million, eight hundred fifty-one", and thus it is an aban number.