12843851 has 2 divisors, whose sum is σ = 12843852. Its totient is φ = 12843850.

The previous prime is 12843841. The next prime is 12843869. The reversal of 12843851 is 15834821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12843851 - 2¹⁸ = 12581707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12843841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6421925 + 6421926.

It is an arithmetic number, because the mean of its divisors is an integer number (6421926).

Almost surely, 2^12843851 is an apocalyptic number.

12843851 is a deficient number, since it is larger than the sum of its proper divisors (1).

12843851 is an equidigital number, since it uses as much as digits as its factorization.

12843851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 32.

The square root of 12843851 is about 3583.8318877983. The cubic root of 12843851 is about 234.1882418849.

The spelling of 12843851 in words is "twelve million, eight hundred forty-three thousand, eight hundred fifty-one".