12884771 has 2 divisors, whose sum is σ = 12884772. Its totient is φ = 12884770.

The previous prime is 12884749. The next prime is 12884779. The reversal of 12884771 is 17748821.

It is a strong prime.

It is an emirp because it is prime and its reverse (17748821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12884771 - 2¹⁰ = 12883747 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12884779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6442385 + 6442386.

It is an arithmetic number, because the mean of its divisors is an integer number (6442386).

Almost surely, 2^12884771 is an apocalyptic number.

12884771 is a deficient number, since it is larger than the sum of its proper divisors (1).

12884771 is an equidigital number, since it uses as much as digits as its factorization.

12884771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25088, while the sum is 38.

The square root of 12884771 is about 3589.5363210309. The cubic root of 12884771 is about 234.4366830477.

The spelling of 12884771 in words is "twelve million, eight hundred eighty-four thousand, seven hundred seventy-one".