12528543 has 8 divisors (see below), whose sum is σ = 17584000. Its totient is φ = 7912728.

The previous prime is 12528517. The next prime is 12528553. The reversal of 12528543 is 34582521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12528543 - 2⁸ = 12528287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12528543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528553) 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 in 7 ways as a sum of consecutive naturals, for example, 109843 + ... + 109956.

It is an arithmetic number, because the mean of its divisors is an integer number (2198000).

Almost surely, 2^12528543 is an apocalyptic number.

12528543 is a deficient number, since it is larger than the sum of its proper divisors (5055457).

12528543 is a wasteful number, since it uses less digits than its factorization.

12528543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219821.

The product of its digits is 9600, while the sum is 30.

The square root of 12528543 is about 3539.5681940033. The cubic root of 12528543 is about 232.2559538905.

The spelling of 12528543 in words is "twelve million, five hundred twenty-eight thousand, five hundred forty-three".