Base | Representation |
---|---|
bin | 110001011111… |
… | …111011000100 |
3 | 220102020110122 |
4 | 301133323010 |
5 | 11310211222 |
6 | 1142041112 |
7 | 215202233 |
oct | 61377304 |
9 | 26366418 |
10 | 12975812 |
11 | 7362a13 |
12 | 4419198 |
13 | 28c41c5 |
14 | 1a1ab1a |
15 | 1214a42 |
hex | c5fec4 |
12975812 has 12 divisors (see below), whose sum is σ = 22881936. Its totient is φ = 6438120.
The previous prime is 12975797. The next prime is 12975821. The reversal of 12975812 is 21857921.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11858 + ... + 12905.
It is an arithmetic number, because the mean of its divisors is an integer number (1906828).
Almost surely, 212975812 is an apocalyptic number.
It is an amenable number.
12975812 is a deficient number, since it is larger than the sum of its proper divisors (9906124).
12975812 is a wasteful number, since it uses less digits than its factorization.
12975812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24898 (or 24896 counting only the distinct ones).
The product of its digits is 10080, while the sum is 35.
The square root of 12975812 is about 3602.1954416716. The cubic root of 12975812 is about 234.9875472502.
The spelling of 12975812 in words is "twelve million, nine hundred seventy-five thousand, eight hundred twelve".
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