Base | Representation |
---|---|
bin | 110001000011… |
… | …111010111111 |
3 | 220012102010202 |
4 | 301003322333 |
5 | 11243023434 |
6 | 1135354115 |
7 | 214213655 |
oct | 61037277 |
9 | 26172122 |
10 | 12861119 |
11 | 7294827 |
12 | 438293b |
13 | 2883c3b |
14 | 19cadd5 |
15 | 11e0a7e |
hex | c43ebf |
12861119 has 8 divisors (see below), whose sum is σ = 13741440. Its totient is φ = 12001176.
The previous prime is 12861113. The next prime is 12861131. The reversal of 12861119 is 91116821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12861119 - 24 = 12861103 is a prime.
It is a super-2 number, since 2×128611192 = 330816763864322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12861091 and 12861100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12861113) 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, 3779 + ... + 6324.
It is an arithmetic number, because the mean of its divisors is an integer number (1717680).
Almost surely, 212861119 is an apocalyptic number.
12861119 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
12861119 is a deficient number, since it is larger than the sum of its proper divisors (880321).
12861119 is a wasteful number, since it uses less digits than its factorization.
12861119 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10189.
The product of its digits is 864, while the sum is 29.
The square root of 12861119 is about 3586.2402317748. The cubic root of 12861119 is about 234.2931468599.
The spelling of 12861119 in words is "twelve million, eight hundred sixty-one thousand, one hundred nineteen".
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