Base | Representation |
---|---|
bin | 110000011001… |
… | …001000110011 |
3 | 212212111202020 |
4 | 300121020303 |
5 | 11221422000 |
6 | 1131522523 |
7 | 212554026 |
oct | 60311063 |
9 | 25774666 |
10 | 12685875 |
11 | 71850a4 |
12 | 42b9443 |
13 | 2822247 |
14 | 19831bd |
15 | 11a8ba0 |
hex | c19233 |
12685875 has 16 divisors (see below), whose sum is σ = 21109920. Its totient is φ = 6765600.
The previous prime is 12685873. The next prime is 12685889. The reversal of 12685875 is 57858621.
It is not a de Polignac number, because 12685875 - 21 = 12685873 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12685873) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16540 + ... + 17289.
It is an arithmetic number, because the mean of its divisors is an integer number (1319370).
Almost surely, 212685875 is an apocalyptic number.
12685875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12685875 is a deficient number, since it is larger than the sum of its proper divisors (8424045).
12685875 is an equidigital number, since it uses as much as digits as its factorization.
12685875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33847 (or 33837 counting only the distinct ones).
The product of its digits is 134400, while the sum is 42.
The square root of 12685875 is about 3561.7235996074. The cubic root of 12685875 is about 233.2241269009.
The spelling of 12685875 in words is "twelve million, six hundred eighty-five thousand, eight hundred seventy-five".
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