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12528017 = 151163509
BaseRepresentation
bin101111110010…
…100110010001
3212120111012122
4233302212101
511201344032
61124304025
7211325555
oct57624621
925514178
1012528017
117087537
124242015
132798438
141941865
151177012
hexbf2991

12528017 has 8 divisors (see below), whose sum is σ = 12713280. Its totient is φ = 12344400.

The previous prime is 12527987. The next prime is 12528037. The reversal of 12528017 is 71082521.

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 12528017 - 28 = 12527761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12528037) 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 7 ways as a sum of consecutive naturals, for example, 24359 + ... + 24867.

It is an arithmetic number, because the mean of its divisors is an integer number (1589160).

Almost surely, 212528017 is an apocalyptic number.

It is an amenable number.

12528017 is a deficient number, since it is larger than the sum of its proper divisors (185263).

12528017 is a wasteful number, since it uses less digits than its factorization.

12528017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12528017 is about 3539.4938903747. The cubic root of 12528017 is about 232.2527034901.

The spelling of 12528017 in words is "twelve million, five hundred twenty-eight thousand, seventeen".

Divisors: 1 151 163 509 24613 76859 82967 12528017