Base | Representation |
---|---|
bin | 101101110001… |
… | …101111001111 |
3 | 211120200012010 |
4 | 231301233033 |
5 | 11033001312 |
6 | 1105112303 |
7 | 204000012 |
oct | 55615717 |
9 | 24520163 |
10 | 12000207 |
11 | 6856a2a |
12 | 4028693 |
13 | 264211b |
14 | 1845379 |
15 | 10c093c |
hex | b71bcf |
12000207 has 16 divisors (see below), whose sum is σ = 16547328. Its totient is φ = 7731360.
The previous prime is 12000133. The next prime is 12000239. The reversal of 12000207 is 70200021.
It is not a de Polignac number, because 12000207 - 214 = 11983823 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12000192 and 12000201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12000257) 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, 10758 + ... + 11820.
It is an arithmetic number, because the mean of its divisors is an integer number (1034208).
Almost surely, 212000207 is an apocalyptic number.
12000207 is a deficient number, since it is larger than the sum of its proper divisors (4547121).
12000207 is a wasteful number, since it uses less digits than its factorization.
12000207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1190.
The product of its (nonzero) digits is 28, while the sum is 12.
The square root of 12000207 is about 3464.1314928853. The cubic root of 12000207 is about 228.9441649245.
Adding to 12000207 its reverse (70200021), we get a palindrome (82200228).
The spelling of 12000207 in words is "twelve million, two hundred seven", and thus it is an aban number.
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