Base | Representation |
---|---|
bin | 110001000100… |
… | …100111110000 |
3 | 220012120001212 |
4 | 301010213300 |
5 | 11243121414 |
6 | 1135415252 |
7 | 214225220 |
oct | 61044760 |
9 | 26176055 |
10 | 12863984 |
11 | 72969a1 |
12 | 4384528 |
13 | 2885333 |
14 | 19cc080 |
15 | 11e183e |
hex | c449f0 |
12863984 has 40 divisors (see below), whose sum is σ = 28652928. Its totient is φ = 5480640.
The previous prime is 12863953. The next prime is 12863989. The reversal of 12863984 is 48936821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12863989) 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, 36899 + ... + 37245.
Almost surely, 212863984 is an apocalyptic number.
12863984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12863984 is an abundant number, since it is smaller than the sum of its proper divisors (15788944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12863984 is a wasteful number, since it uses less digits than its factorization.
12863984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 693 (or 687 counting only the distinct ones).
The product of its digits is 82944, while the sum is 41.
The square root of 12863984 is about 3586.6396529342. The cubic root of 12863984 is about 234.3105429623.
The spelling of 12863984 in words is "twelve million, eight hundred sixty-three thousand, nine hundred eighty-four".
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