Base | Representation |
---|---|
bin | 110001000110… |
… | …100001111100 |
3 | 220012221210111 |
4 | 301012201330 |
5 | 11243344204 |
6 | 1135515404 |
7 | 214260061 |
oct | 61064174 |
9 | 26187714 |
10 | 12871804 |
11 | 72a1860 |
12 | 4388b64 |
13 | 2888a6a |
14 | 19d0c68 |
15 | 11e3d04 |
hex | c4687c |
12871804 has 12 divisors (see below), whose sum is σ = 24573528. Its totient is φ = 5850800.
The previous prime is 12871799. The next prime is 12871811. The reversal of 12871804 is 40817821.
It is a congruent number.
It is an unprimeable number.
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 in 3 ways as a sum of consecutive naturals, for example, 146227 + ... + 146314.
It is an arithmetic number, because the mean of its divisors is an integer number (2047794).
Almost surely, 212871804 is an apocalyptic number.
It is an amenable number.
12871804 is a deficient number, since it is larger than the sum of its proper divisors (11701724).
12871804 is a wasteful number, since it uses less digits than its factorization.
12871804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 292556 (or 292554 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 31.
The square root of 12871804 is about 3587.7296442179. The cubic root of 12871804 is about 234.3580123747.
The spelling of 12871804 in words is "twelve million, eight hundred seventy-one thousand, eight hundred four".
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