Base | Representation |
---|---|
bin | 110000111001… |
… | …101010001110 |
3 | 220010021110222 |
4 | 300321222032 |
5 | 11240202321 |
6 | 1134431342 |
7 | 213650300 |
oct | 60715216 |
9 | 26107428 |
10 | 12819086 |
11 | 7266195 |
12 | 4362552 |
13 | 286aa77 |
14 | 19b9970 |
15 | 11d33ab |
hex | c39a8e |
12819086 has 12 divisors (see below), whose sum is σ = 22368168. Its totient is φ = 5493852.
The previous prime is 12819083. The next prime is 12819137. The reversal of 12819086 is 68091821.
12819086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12819083) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65306 + ... + 65501.
It is an arithmetic number, because the mean of its divisors is an integer number (1864014).
Almost surely, 212819086 is an apocalyptic number.
12819086 is a deficient number, since it is larger than the sum of its proper divisors (9549082).
12819086 is a wasteful number, since it uses less digits than its factorization.
12819086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130823 (or 130816 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 35.
The square root of 12819086 is about 3580.3751200119. The cubic root of 12819086 is about 234.0376275722.
The spelling of 12819086 in words is "twelve million, eight hundred nineteen thousand, eighty-six".
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