Base | Representation |
---|---|
bin | 101111001110… |
… | …110111101011 |
3 | 212022001110120 |
4 | 233032313223 |
5 | 11132203200 |
6 | 1121214323 |
7 | 210146115 |
oct | 57166753 |
9 | 25261416 |
10 | 12381675 |
11 | 6a97599 |
12 | 41913a3 |
13 | 2746947 |
14 | 19043b5 |
15 | 11489a0 |
hex | bcedeb |
12381675 has 12 divisors (see below), whose sum is σ = 20471160. Its totient is φ = 6603520.
The previous prime is 12381641. The next prime is 12381689. The reversal of 12381675 is 57618321.
12381675 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12381675 - 214 = 12365291 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82470 + ... + 82619.
It is an arithmetic number, because the mean of its divisors is an integer number (1705930).
Almost surely, 212381675 is an apocalyptic number.
12381675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12381675 is a deficient number, since it is larger than the sum of its proper divisors (8089485).
12381675 is a wasteful number, since it uses less digits than its factorization.
12381675 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 165102 (or 165097 counting only the distinct ones).
The product of its digits is 10080, while the sum is 33.
The square root of 12381675 is about 3518.7604351533. The cubic root of 12381675 is about 231.3448308411.
Adding to 12381675 its reverse (57618321), we get a palindrome (69999996).
The spelling of 12381675 in words is "twelve million, three hundred eighty-one thousand, six hundred seventy-five".
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