Base | Representation |
---|---|
bin | 110001001010… |
… | …010100101111 |
3 | 220020202010000 |
4 | 301022110233 |
5 | 11244343333 |
6 | 1140115343 |
7 | 214353300 |
oct | 61122457 |
9 | 26222100 |
10 | 12887343 |
11 | 73024a7 |
12 | 4395b53 |
13 | 2892b61 |
14 | 19d67a7 |
15 | 11e8713 |
hex | c4a52f |
12887343 has 60 divisors (see below), whose sum is σ = 23836032. Its totient is φ = 6894720.
The previous prime is 12887341. The next prime is 12887389. The reversal of 12887343 is 34378821.
12887343 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12887343 - 21 = 12887341 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12887298 and 12887307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12887341) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 67378 + ... + 67568.
Almost surely, 212887343 is an apocalyptic number.
12887343 is a deficient number, since it is larger than the sum of its proper divisors (10948689).
12887343 is a wasteful number, since it uses less digits than its factorization.
12887343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234 (or 218 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 12887343 is about 3589.8945666969. The cubic root of 12887343 is about 234.4522810751.
The spelling of 12887343 in words is "twelve million, eight hundred eighty-seven thousand, three hundred forty-three".
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