12392243 has 2 divisors, whose sum is σ = 12392244. Its totient is φ = 12392242.

The previous prime is 12392227. The next prime is 12392249. The reversal of 12392243 is 34229321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12392243 - 2⁴ = 12392227 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12392249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196121 + 6196122.

It is an arithmetic number, because the mean of its divisors is an integer number (6196122).

Almost surely, 2^12392243 is an apocalyptic number.

12392243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12392243 is an equidigital number, since it uses as much as digits as its factorization.

12392243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 12392243 is about 3520.2617800385. The cubic root of 12392243 is about 231.4106312256.

The spelling of 12392243 in words is "twelve million, three hundred ninety-two thousand, two hundred forty-three".