Base | Representation |
---|---|
bin | 110001001000… |
… | …111100101000 |
3 | 220020110101011 |
4 | 301020330220 |
5 | 11244203304 |
6 | 1140033304 |
7 | 214330663 |
oct | 61107450 |
9 | 26213334 |
10 | 12881704 |
11 | 72a9240 |
12 | 4392834 |
13 | 2890414 |
14 | 19d46da |
15 | 11e6c04 |
hex | c48f28 |
12881704 has 16 divisors (see below), whose sum is σ = 26349120. Its totient is φ = 5855280.
The previous prime is 12881689. The next prime is 12881711. The reversal of 12881704 is 40718821.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73104 + ... + 73279.
It is an arithmetic number, because the mean of its divisors is an integer number (1646820).
Almost surely, 212881704 is an apocalyptic number.
It is an amenable number.
12881704 is an abundant number, since it is smaller than the sum of its proper divisors (13467416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12881704 is a wasteful number, since it uses less digits than its factorization.
12881704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146400 (or 146396 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 31.
The square root of 12881704 is about 3589.1090816524. The cubic root of 12881704 is about 234.4180803535.
It can be divided in two parts, 1288 and 1704, that added together give a palindrome (2992).
The spelling of 12881704 in words is "twelve million, eight hundred eighty-one thousand, seven hundred four".
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