12528785 has 8 divisors (see below), whose sum is σ = 15054336. Its totient is φ = 10009840.

The previous prime is 12528773. The next prime is 12528793. The reversal of 12528785 is 58782521.

It is a happy number.

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

It is not a de Polignac number, because 12528785 - 2¹⁰ = 12527761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 4880 + ... + 6990.

It is an arithmetic number, because the mean of its divisors is an integer number (1881792).

Almost surely, 2^12528785 is an apocalyptic number.

It is an amenable number.

12528785 is a deficient number, since it is larger than the sum of its proper divisors (2525551).

12528785 is a wasteful number, since it uses less digits than its factorization.

12528785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303.

The product of its digits is 44800, while the sum is 38.

The square root of 12528785 is about 3539.6023787991. The cubic root of 12528785 is about 232.2574492913.

The spelling of 12528785 in words is "twelve million, five hundred twenty-eight thousand, seven hundred eighty-five".