Base | Representation |
---|---|
bin | 110001000110… |
… | …000011010100 |
3 | 220012212002220 |
4 | 301012003110 |
5 | 11243313334 |
6 | 1135502340 |
7 | 214251261 |
oct | 61060324 |
9 | 26185086 |
10 | 12869844 |
11 | 72a0339 |
12 | 43879b0 |
13 | 2887bc0 |
14 | 19d0268 |
15 | 11e3449 |
hex | c460d4 |
12869844 has 24 divisors (see below), whose sum is σ = 32340000. Its totient is φ = 3959904.
The previous prime is 12869837. The next prime is 12869851. The reversal of 12869844 is 44896821.
It is an interprime number because it is at equal distance from previous prime (12869837) and next prime (12869851).
It is a junction number, because it is equal to n+sod(n) for n = 12869796 and 12869805.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41094 + ... + 41405.
It is an arithmetic number, because the mean of its divisors is an integer number (1347500).
Almost surely, 212869844 is an apocalyptic number.
It is an amenable number.
12869844 is an abundant number, since it is smaller than the sum of its proper divisors (19470156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12869844 is a wasteful number, since it uses less digits than its factorization.
12869844 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82519 (or 82517 counting only the distinct ones).
The product of its digits is 110592, while the sum is 42.
The square root of 12869844 is about 3587.4564805723. The cubic root of 12869844 is about 234.3461164762.
The spelling of 12869844 in words is "twelve million, eight hundred sixty-nine thousand, eight hundred forty-four".
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