Base | Representation |
---|---|
bin | 110001000101… |
… | …110001110011 |
3 | 220012210120101 |
4 | 301011301303 |
5 | 11243244343 |
6 | 1135453231 |
7 | 214245100 |
oct | 61056163 |
9 | 26183511 |
10 | 12868723 |
11 | 729a50a |
12 | 4387217 |
13 | 288753a |
14 | 19cdaa7 |
15 | 11e2e4d |
hex | c45c73 |
12868723 has 6 divisors (see below), whose sum is σ = 14969796. Its totient is φ = 11030292.
The previous prime is 12868697. The next prime is 12868727. The reversal of 12868723 is 32786821.
12868723 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12868723 - 29 = 12868211 is a prime.
It is a super-3 number, since 3×128687233 (a number of 22 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12868727) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131265 + ... + 131362.
It is an arithmetic number, because the mean of its divisors is an integer number (2494966).
Almost surely, 212868723 is an apocalyptic number.
12868723 is a deficient number, since it is larger than the sum of its proper divisors (2101073).
12868723 is an equidigital number, since it uses as much as digits as its factorization.
12868723 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 262641 (or 262634 counting only the distinct ones).
The product of its digits is 32256, while the sum is 37.
The square root of 12868723 is about 3587.3002383408. The cubic root of 12868723 is about 234.3393122077.
The spelling of 12868723 in words is "twelve million, eight hundred sixty-eight thousand, seven hundred twenty-three".
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