12250543 has 2 divisors, whose sum is σ = 12250544. Its totient is φ = 12250542.

The previous prime is 12250541. The next prime is 12250561. The reversal of 12250543 is 34505221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12250543 - 2¹ = 12250541 is a prime.

Together with 12250541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12250541) 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, 6125271 + 6125272.

It is an arithmetic number, because the mean of its divisors is an integer number (6125272).

Almost surely, 2^12250543 is an apocalyptic number.

12250543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12250543 is an equidigital number, since it uses as much as digits as its factorization.

12250543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12250543 is about 3500.0775705690. The cubic root of 12250543 is about 230.5252206300.

Adding to 12250543 its reverse (34505221), we get a palindrome (46755764).

The spelling of 12250543 in words is "twelve million, two hundred fifty thousand, five hundred forty-three".