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12288585 = 35819239
BaseRepresentation
bin101110111000…
…001001001001
3212010022202210
4232320021021
511121213320
61115215333
7206310531
oct56701111
925108683
1012288585
116a33661
124147549
13271346a
1418bc4c1
15112b0e0
hexbb8249

12288585 has 8 divisors (see below), whose sum is σ = 19661760. Its totient is φ = 6553904.

The previous prime is 12288581. The next prime is 12288587. The reversal of 12288585 is 58588221.

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 12288585 - 22 = 12288581 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12288581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409605 + ... + 409634.

It is an arithmetic number, because the mean of its divisors is an integer number (2457720).

Almost surely, 212288585 is an apocalyptic number.

12288585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12288585 is a deficient number, since it is larger than the sum of its proper divisors (7373175).

12288585 is an equidigital number, since it uses as much as digits as its factorization.

12288585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819247.

The product of its digits is 51200, while the sum is 39.

The square root of 12288585 is about 3505.5078091483. The cubic root of 12288585 is about 230.7635931529.

The spelling of 12288585 in words is "twelve million, two hundred eighty-eight thousand, five hundred eighty-five".

Divisors: 1 3 5 15 819239 2457717 4096195 12288585