Base | Representation |
---|---|
bin | 110001001010… |
… | …001110010110 |
3 | 220020201112212 |
4 | 301022032112 |
5 | 11244340214 |
6 | 1140113422 |
7 | 214352144 |
oct | 61121626 |
9 | 26221485 |
10 | 12886934 |
11 | 7302165 |
12 | 4395872 |
13 | 2892908 |
14 | 19d6594 |
15 | 11e853e |
hex | c4a396 |
12886934 has 4 divisors (see below), whose sum is σ = 19330404. Its totient is φ = 6443466.
The previous prime is 12886931. The next prime is 12886949. The reversal of 12886934 is 43968821.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43968821 = 13 ⋅3382217.
It is a junction number, because it is equal to n+sod(n) for n = 12886891 and 12886900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12886931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221732 + ... + 3221735.
It is an arithmetic number, because the mean of its divisors is an integer number (4832601).
Almost surely, 212886934 is an apocalyptic number.
12886934 is a deficient number, since it is larger than the sum of its proper divisors (6443470).
12886934 is an equidigital number, since it uses as much as digits as its factorization.
12886934 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6443469.
The product of its digits is 82944, while the sum is 41.
The square root of 12886934 is about 3589.8376007836. The cubic root of 12886934 is about 234.4498008122.
The spelling of 12886934 in words is "twelve million, eight hundred eighty-six thousand, nine hundred thirty-four".
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