Base | Representation |
---|---|
bin | 110001000000… |
… | …111101011011 |
3 | 220011210111102 |
4 | 301000331123 |
5 | 11242131422 |
6 | 1135222015 |
7 | 214133414 |
oct | 61007533 |
9 | 26153442 |
10 | 12848987 |
11 | 72866a8 |
12 | 437790b |
13 | 287b568 |
14 | 19c680b |
15 | 11dc192 |
hex | c40f5b |
12848987 has 2 divisors, whose sum is σ = 12848988. Its totient is φ = 12848986.
The previous prime is 12848951. The next prime is 12848989. The reversal of 12848987 is 78984821.
12848987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12848987 - 216 = 12783451 is a prime.
Together with 12848989, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12848989) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6424493 + 6424494.
It is an arithmetic number, because the mean of its divisors is an integer number (6424494).
Almost surely, 212848987 is an apocalyptic number.
12848987 is a deficient number, since it is larger than the sum of its proper divisors (1).
12848987 is an equidigital number, since it uses as much as digits as its factorization.
12848987 is an evil number, because the sum of its binary digits is even.
The product of its digits is 258048, while the sum is 47.
The square root of 12848987 is about 3584.5483676469. The cubic root of 12848987 is about 234.2194534616.
The spelling of 12848987 in words is "twelve million, eight hundred forty-eight thousand, nine hundred eighty-seven".
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