Base | Representation |
---|---|
bin | 110000111101… |
… | …000001110001 |
3 | 220010222101220 |
4 | 300331001301 |
5 | 11241123011 |
6 | 1135015253 |
7 | 214035435 |
oct | 60750161 |
9 | 26128356 |
10 | 12832881 |
11 | 7275596 |
12 | 436a529 |
13 | 2874129 |
14 | 19c09c5 |
15 | 11d7506 |
hex | c3d071 |
12832881 has 8 divisors (see below), whose sum is σ = 17127360. Its totient is φ = 8546832.
The previous prime is 12832871. The next prime is 12832901. The reversal of 12832881 is 18823821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12832881 - 25 = 12832849 is a prime.
It is a super-2 number, since 2×128328812 = 329365669520322, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12832801) 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 in 7 ways as a sum of consecutive naturals, for example, 3876 + ... + 6378.
It is an arithmetic number, because the mean of its divisors is an integer number (2140920).
Almost surely, 212832881 is an apocalyptic number.
It is an amenable number.
12832881 is a deficient number, since it is larger than the sum of its proper divisors (4294479).
12832881 is a wasteful number, since it uses less digits than its factorization.
12832881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4215.
The product of its digits is 6144, while the sum is 33.
The square root of 12832881 is about 3582.3010761241. The cubic root of 12832881 is about 234.1215490949.
The spelling of 12832881 in words is "twelve million, eight hundred thirty-two thousand, eight hundred eighty-one".
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