Base | Representation |
---|---|
bin | 101101110010… |
… | …001110011111 |
3 | 211120202221012 |
4 | 231302032133 |
5 | 11033032312 |
6 | 1105125435 |
7 | 204005600 |
oct | 55621637 |
9 | 24522835 |
10 | 12002207 |
11 | 6858488 |
12 | 402987b |
13 | 2642cc9 |
14 | 1845da7 |
15 | 10c1322 |
hex | b7239f |
12002207 has 6 divisors (see below), whose sum is σ = 13961808. Its totient is φ = 10287564.
The previous prime is 12002189. The next prime is 12002209. The reversal of 12002207 is 70220021.
It is not a de Polignac number, because 12002207 - 222 = 7807903 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12002191 and 12002200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12002209) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122423 + ... + 122520.
It is an arithmetic number, because the mean of its divisors is an integer number (2326968).
Almost surely, 212002207 is an apocalyptic number.
12002207 is a deficient number, since it is larger than the sum of its proper divisors (1959601).
12002207 is an equidigital number, since it uses as much as digits as its factorization.
12002207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244957 (or 244950 counting only the distinct ones).
The product of its (nonzero) digits is 56, while the sum is 14.
The square root of 12002207 is about 3464.4201535033. The cubic root of 12002207 is about 228.9568831188.
Adding to 12002207 its reverse (70220021), we get a palindrome (82222228).
The spelling of 12002207 in words is "twelve million, two thousand, two hundred seven".
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