Base | Representation |
---|---|
bin | 110001000110… |
… | …110101111110 |
3 | 220020000112222 |
4 | 301012311332 |
5 | 11243414321 |
6 | 1135525342 |
7 | 214263602 |
oct | 61066576 |
9 | 26200488 |
10 | 12873086 |
11 | 72a2816 |
12 | 4389852 |
13 | 2889515 |
14 | 19d1502 |
15 | 11e43ab |
hex | c46d7e |
12873086 has 4 divisors (see below), whose sum is σ = 19309632. Its totient is φ = 6436542.
The previous prime is 12873083. The next prime is 12873149. The reversal of 12873086 is 68037821.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68037821 = 1697 ⋅40093.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12873083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3218270 + ... + 3218273.
It is an arithmetic number, because the mean of its divisors is an integer number (4827408).
Almost surely, 212873086 is an apocalyptic number.
12873086 is a deficient number, since it is larger than the sum of its proper divisors (6436546).
12873086 is an equidigital number, since it uses as much as digits as its factorization.
12873086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6436545.
The product of its (nonzero) digits is 16128, while the sum is 35.
The square root of 12873086 is about 3587.9083042910. The cubic root of 12873086 is about 234.3657926101.
The spelling of 12873086 in words is "twelve million, eight hundred seventy-three thousand, eighty-six".
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