Base | Representation |
---|---|
bin | 110001011111… |
… | …110011010011 |
3 | 220102012210020 |
4 | 301133303103 |
5 | 11310202230 |
6 | 1142034523 |
7 | 215200623 |
oct | 61376323 |
9 | 26365706 |
10 | 12975315 |
11 | 7362601 |
12 | 4418a43 |
13 | 28c3c02 |
14 | 1a1a883 |
15 | 1214810 |
hex | c5fcd3 |
12975315 has 16 divisors (see below), whose sum is σ = 20811168. Its totient is φ = 6903296.
The previous prime is 12975257. The next prime is 12975317. The reversal of 12975315 is 51357921.
It is a cyclic number.
It is not a de Polignac number, because 12975315 - 27 = 12975187 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12975317) 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, 7579 + ... + 9131.
It is an arithmetic number, because the mean of its divisors is an integer number (1300698).
Almost surely, 212975315 is an apocalyptic number.
12975315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12975315 is a deficient number, since it is larger than the sum of its proper divisors (7835853).
12975315 is a wasteful number, since it uses less digits than its factorization.
12975315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2118.
The product of its digits is 9450, while the sum is 33.
The square root of 12975315 is about 3602.1264553039. The cubic root of 12975315 is about 234.9845470448.
The spelling of 12975315 in words is "twelve million, nine hundred seventy-five thousand, three hundred fifteen".
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