12528165 has 32 divisors (see below), whose sum is σ = 22127616. Its totient is φ = 6013440.

The previous prime is 12528161. The next prime is 12528181. The reversal of 12528165 is 56182521.

12528165 = T₄₈₂ + T₄₈₃ + ... + T₅₇₁.

It is not a de Polignac number, because 12528165 - 2² = 12528161 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528161) 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 31 ways as a sum of consecutive naturals, for example, 7212 + ... + 8778.

It is an arithmetic number, because the mean of its divisors is an integer number (691488).

Almost surely, 2^12528165 is an apocalyptic number.

12528165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12528165 is a deficient number, since it is larger than the sum of its proper divisors (9599451).

12528165 is a wasteful number, since it uses less digits than its factorization.

12528165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629.

The product of its digits is 4800, while the sum is 30.

The square root of 12528165 is about 3539.5147972568. The cubic root of 12528165 is about 232.2536180607.

The spelling of 12528165 in words is "twelve million, five hundred twenty-eight thousand, one hundred sixty-five".