12343949 has 2 divisors, whose sum is σ = 12343950. Its totient is φ = 12343948.

The previous prime is 12343943. The next prime is 12343957. The reversal of 12343949 is 94934321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12075625 + 268324 = 3475^2 + 518^2 .

It is a cyclic number.

It is not a de Polignac number, because 12343949 - 2⁸ = 12343693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12343943) 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, 6171974 + 6171975.

It is an arithmetic number, because the mean of its divisors is an integer number (6171975).

Almost surely, 2^12343949 is an apocalyptic number.

It is an amenable number.

12343949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12343949 is an equidigital number, since it uses as much as digits as its factorization.

12343949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 12343949 is about 3513.3956509337. The cubic root of 12343949 is about 231.1096285672.

The spelling of 12343949 in words is "twelve million, three hundred forty-three thousand, nine hundred forty-nine".