12528443 has 8 divisors (see below), whose sum is σ = 12703200. Its totient is φ = 12355200.

The previous prime is 12528431. The next prime is 12528449. The reversal of 12528443 is 34482521.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12528443 - 2⁴ = 12528427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12528449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31043 + ... + 31443.

It is an arithmetic number, because the mean of its divisors is an integer number (1587900).

Almost surely, 2^12528443 is an apocalyptic number.

12528443 is a deficient number, since it is larger than the sum of its proper divisors (174757).

12528443 is a wasteful number, since it uses less digits than its factorization.

12528443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757.

The product of its digits is 7680, while the sum is 29.

The square root of 12528443 is about 3539.5540679583. The cubic root of 12528443 is about 232.2553359507.

The spelling of 12528443 in words is "twelve million, five hundred twenty-eight thousand, four hundred forty-three".