Base | Representation |
---|---|
bin | 110001001010… |
… | …001101101101 |
3 | 220020201111100 |
4 | 301022031231 |
5 | 11244340033 |
6 | 1140113313 |
7 | 214352055 |
oct | 61121555 |
9 | 26221440 |
10 | 12886893 |
11 | 7302128 |
12 | 4395839 |
13 | 28928a6 |
14 | 19d6565 |
15 | 11e8513 |
hex | c4a36d |
12886893 has 12 divisors (see below), whose sum is σ = 18800028. Its totient is φ = 8505600.
The previous prime is 12886891. The next prime is 12886919. The reversal of 12886893 is 39868821.
12886893 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 can be written as a sum of positive squares in 2 ways, for example, as 12659364 + 227529 = 3558^2 + 477^2 .
It is not a de Polignac number, because 12886893 - 21 = 12886891 is a prime.
It is a super-2 number, since 2×128868932 = 332144022386898, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12886891) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6180 + ... + 7997.
It is an arithmetic number, because the mean of its divisors is an integer number (1566669).
Almost surely, 212886893 is an apocalyptic number.
It is an amenable number.
12886893 is a deficient number, since it is larger than the sum of its proper divisors (5913135).
12886893 is a wasteful number, since it uses less digits than its factorization.
12886893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14284 (or 14281 counting only the distinct ones).
The product of its digits is 165888, while the sum is 45.
The square root of 12886893 is about 3589.8318902144. The cubic root of 12886893 is about 234.4495521766.
The spelling of 12886893 in words is "twelve million, eight hundred eighty-six thousand, eight hundred ninety-three".
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