12424543 has 2 divisors, whose sum is σ = 12424544. Its totient is φ = 12424542.

The previous prime is 12424523. The next prime is 12424561. The reversal of 12424543 is 34542421.

It is a happy number.

12424543 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (34542421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12424543 - 2⁹ = 12424031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12424523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212271 + 6212272.

It is an arithmetic number, because the mean of its divisors is an integer number (6212272).

Almost surely, 2^12424543 is an apocalyptic number.

12424543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12424543 is an equidigital number, since it uses as much as digits as its factorization.

12424543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 25.

The square root of 12424543 is about 3524.8465214815. The cubic root of 12424543 is about 231.6115116931.

Adding to 12424543 its reverse (34542421), we get a palindrome (46966964).

The spelling of 12424543 in words is "twelve million, four hundred twenty-four thousand, five hundred forty-three".