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12288129 = 37585149
BaseRepresentation
bin101110111000…
…000010000001
3212010022010220
4232320002001
511121210004
61115213253
7206306310
oct56700201
925108126
1012288129
116a33287
124147229
1327131a9
1418bc277
15112add9
hexbb8081

12288129 has 8 divisors (see below), whose sum is σ = 18724800. Its totient is φ = 7021776.

The previous prime is 12288119. The next prime is 12288137. The reversal of 12288129 is 92188221.

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

It is not a de Polignac number, because 12288129 - 24 = 12288113 is a prime.

It is a super-2 number, since 2×122881292 = 301996228641282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12288129.

It is not an unprimeable number, because it can be changed into a prime (12288109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292554 + ... + 292595.

It is an arithmetic number, because the mean of its divisors is an integer number (2340600).

Almost surely, 212288129 is an apocalyptic number.

It is an amenable number.

12288129 is a deficient number, since it is larger than the sum of its proper divisors (6436671).

12288129 is an equidigital number, since it uses as much as digits as its factorization.

12288129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585159.

The product of its digits is 4608, while the sum is 33.

The square root of 12288129 is about 3505.4427680394. The cubic root of 12288129 is about 230.7607387559.

The spelling of 12288129 in words is "twelve million, two hundred eighty-eight thousand, one hundred twenty-nine".

Divisors: 1 3 7 21 585149 1755447 4096043 12288129