Base | Representation |
---|---|
bin | 101101110011… |
… | …100110110100 |
3 | 211121001200120 |
4 | 231303212310 |
5 | 11033222420 |
6 | 1105211540 |
7 | 204031224 |
oct | 55634664 |
9 | 24531616 |
10 | 12007860 |
11 | 6861757 |
12 | 4030bb0 |
13 | 2645757 |
14 | 1848084 |
15 | 10c2d40 |
hex | b739b4 |
12007860 has 24 divisors (see below), whose sum is σ = 33622176. Its totient is φ = 3202080.
The previous prime is 12007847. The next prime is 12007871. The reversal of 12007860 is 6870021.
It is a self number, because there is not a number n which added to its sum of digits gives 12007860.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100006 + ... + 100125.
It is an arithmetic number, because the mean of its divisors is an integer number (1400924).
Almost surely, 212007860 is an apocalyptic number.
12007860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12007860 is an abundant number, since it is smaller than the sum of its proper divisors (21614316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12007860 is a wasteful number, since it uses less digits than its factorization.
12007860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200143 (or 200141 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 12007860 is about 3465.2359227043. The cubic root of 12007860 is about 228.9928234563.
Adding to 12007860 its reverse (6870021), we get a palindrome (18877881).
The spelling of 12007860 in words is "twelve million, seven thousand, eight hundred sixty".
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