12842771 has 2 divisors, whose sum is σ = 12842772. Its totient is φ = 12842770.

The previous prime is 12842729. The next prime is 12842777. The reversal of 12842771 is 17724821.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17724821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12842771 - 2¹⁰ = 12841747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12842777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6421385 + 6421386.

It is an arithmetic number, because the mean of its divisors is an integer number (6421386).

Almost surely, 2^12842771 is an apocalyptic number.

12842771 is a deficient number, since it is larger than the sum of its proper divisors (1).

12842771 is an equidigital number, since it uses as much as digits as its factorization.

12842771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6272, while the sum is 32.

The square root of 12842771 is about 3583.6812079201. The cubic root of 12842771 is about 234.1816776442.

The spelling of 12842771 in words is "twelve million, eight hundred forty-two thousand, seven hundred seventy-one".