Base | Representation |
---|---|
bin | 101110111100… |
… | …110011101100 |
3 | 212011021222110 |
4 | 232330303230 |
5 | 11122321232 |
6 | 1115444020 |
7 | 206420325 |
oct | 56746354 |
9 | 25137873 |
10 | 12307692 |
11 | 6a46a51 |
12 | 4156610 |
13 | 271c077 |
14 | 18c544c |
15 | 1131acc |
hex | bbccec |
12307692 has 12 divisors (see below), whose sum is σ = 28717976. Its totient is φ = 4102560.
The previous prime is 12307681. The next prime is 12307693. The reversal of 12307692 is 29670321.
It is a tau number, because it is divible by the number of its divisors (12).
It is an alternating number because its digits alternate between odd and even.
12307692 is a modest number, since divided by 307692 gives 12 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12307693) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512809 + ... + 512832.
Almost surely, 212307692 is an apocalyptic number.
12307692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12307692 is an abundant number, since it is smaller than the sum of its proper divisors (16410284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12307692 is a wasteful number, since it uses less digits than its factorization.
12307692 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1025648 (or 1025646 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 12307692 is about 3508.2320333752. The cubic root of 12307692 is about 230.8831327288.
The spelling of 12307692 in words is "twelve million, three hundred seven thousand, six hundred ninety-two".
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