12528065 has 16 divisors (see below), whose sum is σ = 17366400. Its totient is φ = 8574720.

The previous prime is 12528037. The next prime is 12528067. The reversal of 12528065 is 56082521.

It is not a de Polignac number, because 12528065 - 2¹⁰ = 12527041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12528067) 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 in 15 ways as a sum of consecutive naturals, for example, 5765 + ... + 7634.

It is an arithmetic number, because the mean of its divisors is an integer number (1085400).

Almost surely, 2^12528065 is an apocalyptic number.

It is an amenable number.

12528065 is a deficient number, since it is larger than the sum of its proper divisors (4838335).

12528065 is a wasteful number, since it uses less digits than its factorization.

12528065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13432.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 12528065 is about 3539.5006709987. The cubic root of 12528065 is about 232.2530001084.

It can be divided in two parts, 1252806 and 5, that multiplied together give a triangular number (6264030 = T₃₅₃₉).

The spelling of 12528065 in words is "twelve million, five hundred twenty-eight thousand, sixty-five".