Base | Representation |
---|---|
bin | 110000011110… |
… | …010101111111 |
3 | 212220121000000 |
4 | 300132111333 |
5 | 11223112244 |
6 | 1132205343 |
7 | 213003141 |
oct | 60362577 |
9 | 25817000 |
10 | 12707199 |
11 | 719a11a |
12 | 4309853 |
13 | 282bb6b |
14 | 198ac91 |
15 | 11b0169 |
hex | c1e57f |
12707199 has 14 divisors (see below), whose sum is σ = 19053176. Its totient is φ = 8470980.
The previous prime is 12707147. The next prime is 12707237. The reversal of 12707199 is 99170721.
It is not a de Polignac number, because 12707199 - 216 = 12641663 is a prime.
It is a super-2 number, since 2×127071992 = 322945812851202, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12707119) by changing a digit.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 7987 + ... + 9444.
Almost surely, 212707199 is an apocalyptic number.
12707199 is a deficient number, since it is larger than the sum of its proper divisors (6345977).
12707199 is an frugal number, since it uses more digits than its factorization.
12707199 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17449 (or 17434 counting only the distinct ones).
The product of its (nonzero) digits is 7938, while the sum is 36.
The square root of 12707199 is about 3564.7158372022. The cubic root of 12707199 is about 233.3547311442.
The spelling of 12707199 in words is "twelve million, seven hundred seven thousand, one hundred ninety-nine".
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