12875543 has 2 divisors, whose sum is σ = 12875544. Its totient is φ = 12875542.

The previous prime is 12875539. The next prime is 12875549. The reversal of 12875543 is 34557821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12875543 - 2² = 12875539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12875549) 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, 6437771 + 6437772.

It is an arithmetic number, because the mean of its divisors is an integer number (6437772).

Almost surely, 2^12875543 is an apocalyptic number.

12875543 is a deficient number, since it is larger than the sum of its proper divisors (1).

12875543 is an equidigital number, since it uses as much as digits as its factorization.

12875543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

The square root of 12875543 is about 3588.2506880094. The cubic root of 12875543 is about 234.3807022731.

The spelling of 12875543 in words is "twelve million, eight hundred seventy-five thousand, five hundred forty-three".