Base | Representation |
---|---|
bin | 110001000110… |
… | …010010110000 |
3 | 220012220110111 |
4 | 301012102300 |
5 | 11243331312 |
6 | 1135511104 |
7 | 214254202 |
oct | 61062260 |
9 | 26186414 |
10 | 12870832 |
11 | 72a1057 |
12 | 4388494 |
13 | 28884a0 |
14 | 19d0772 |
15 | 11e38a7 |
hex | c464b0 |
12870832 has 20 divisors (see below), whose sum is σ = 26855920. Its totient is φ = 5940288.
The previous prime is 12870827. The next prime is 12870839. The reversal of 12870832 is 23807821.
It is a junction number, because it is equal to n+sod(n) for n = 12870794 and 12870803.
It is not an unprimeable number, because it can be changed into a prime (12870839) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30732 + ... + 31147.
It is an arithmetic number, because the mean of its divisors is an integer number (1342796).
Almost surely, 212870832 is an apocalyptic number.
It is an amenable number.
12870832 is an abundant number, since it is smaller than the sum of its proper divisors (13985088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12870832 is a wasteful number, since it uses less digits than its factorization.
12870832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61900 (or 61894 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 12870832 is about 3587.5941799485. The cubic root of 12870832 is about 234.3521131311.
The spelling of 12870832 in words is "twelve million, eight hundred seventy thousand, eight hundred thirty-two".
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