12238943 has 2 divisors, whose sum is σ = 12238944. Its totient is φ = 12238942.

The previous prime is 12238939. The next prime is 12238949. The reversal of 12238943 is 34983221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12238943 - 2² = 12238939 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12238949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6119471 + 6119472.

It is an arithmetic number, because the mean of its divisors is an integer number (6119472).

Almost surely, 2^12238943 is an apocalyptic number.

12238943 is a deficient number, since it is larger than the sum of its proper divisors (1).

12238943 is an equidigital number, since it uses as much as digits as its factorization.

12238943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 12238943 is about 3498.4200719753. The cubic root of 12238943 is about 230.4524364540.

The spelling of 12238943 in words is "twelve million, two hundred thirty-eight thousand, nine hundred forty-three".