12238771 has 2 divisors, whose sum is σ = 12238772. Its totient is φ = 12238770.

The previous prime is 12238763. The next prime is 12238799. The reversal of 12238771 is 17783221.

12238771 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12238771 - 2³ = 12238763 is a prime.

It is not a weakly prime, because it can be changed into another prime (12238741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6119385 + 6119386.

It is an arithmetic number, because the mean of its divisors is an integer number (6119386).

Almost surely, 2^12238771 is an apocalyptic number.

12238771 is a deficient number, since it is larger than the sum of its proper divisors (1).

12238771 is an equidigital number, since it uses as much as digits as its factorization.

12238771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 31.

The square root of 12238771 is about 3498.3954893637. The cubic root of 12238771 is about 230.4513568944.

The spelling of 12238771 in words is "twelve million, two hundred thirty-eight thousand, seven hundred seventy-one".