12810211 has 2 divisors, whose sum is σ = 12810212. Its totient is φ = 12810210.

The previous prime is 12810209. The next prime is 12810229. The reversal of 12810211 is 11201821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12810211 - 2¹ = 12810209 is a prime.

Together with 12810209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12810271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6405105 + 6405106.

It is an arithmetic number, because the mean of its divisors is an integer number (6405106).

Almost surely, 2^12810211 is an apocalyptic number.

12810211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12810211 is an equidigital number, since it uses as much as digits as its factorization.

12810211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 12810211 is about 3579.1355101477. The cubic root of 12810211 is about 233.9836049097.

The spelling of 12810211 in words is "twelve million, eight hundred ten thousand, two hundred eleven".