Base | Representation |
---|---|
bin | 110000010010… |
… | …101010111001 |
3 | 212211011102010 |
4 | 300102222321 |
5 | 11220100020 |
6 | 1131200133 |
7 | 212413554 |
oct | 60225271 |
9 | 25734363 |
10 | 12659385 |
11 | 7167202 |
12 | 42a6049 |
13 | 281317b |
14 | 197769b |
15 | 11a0de0 |
hex | c12ab9 |
12659385 has 16 divisors (see below), whose sum is σ = 20361600. Its totient is φ = 6716160.
The previous prime is 12659351. The next prime is 12659389. The reversal of 12659385 is 58395621.
It is not a de Polignac number, because 12659385 - 215 = 12626617 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12659389) 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 15 ways as a sum of consecutive naturals, for example, 865 + ... + 5105.
It is an arithmetic number, because the mean of its divisors is an integer number (1272600).
Almost surely, 212659385 is an apocalyptic number.
12659385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12659385 is a deficient number, since it is larger than the sum of its proper divisors (7702215).
12659385 is a wasteful number, since it uses less digits than its factorization.
12659385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4448.
The product of its digits is 64800, while the sum is 39.
The square root of 12659385 is about 3558.0029510949. The cubic root of 12659385 is about 233.0616781830.
The spelling of 12659385 in words is "twelve million, six hundred fifty-nine thousand, three hundred eighty-five".
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