Base | Representation |
---|---|
bin | 101110111100… |
… | …110011010110 |
3 | 212011021221122 |
4 | 232330303112 |
5 | 11122321140 |
6 | 1115443542 |
7 | 206420264 |
oct | 56746326 |
9 | 25137848 |
10 | 12307670 |
11 | 6a46a31 |
12 | 41565b2 |
13 | 271c05b |
14 | 18c5434 |
15 | 1131ab5 |
hex | bbccd6 |
12307670 has 16 divisors (see below), whose sum is σ = 22237200. Its totient is φ = 4904544.
The previous prime is 12307661. The next prime is 12307679. The reversal of 12307670 is 7670321.
It is an interprime number because it is at equal distance from previous prime (12307661) and next prime (12307679).
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12307679) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656 + ... + 5004.
It is an arithmetic number, because the mean of its divisors is an integer number (1389825).
Almost surely, 212307670 is an apocalyptic number.
12307670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12307670 is a deficient number, since it is larger than the sum of its proper divisors (9929530).
12307670 is a wasteful number, since it uses less digits than its factorization.
12307670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4639.
The product of its (nonzero) digits is 1764, while the sum is 26.
The square root of 12307670 is about 3508.2288978914. The cubic root of 12307670 is about 230.8829951609.
Adding to 12307670 its reverse (7670321), we get a palindrome (19977991).
The spelling of 12307670 in words is "twelve million, three hundred seven thousand, six hundred seventy".
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