Base | Representation |
---|---|
bin | 110001000101… |
… | …110001000000 |
3 | 220012210111111 |
4 | 301011301000 |
5 | 11243244142 |
6 | 1135453104 |
7 | 214244665 |
oct | 61056100 |
9 | 26183444 |
10 | 12868672 |
11 | 729a473 |
12 | 4387194 |
13 | 28874cb |
14 | 19cda6c |
15 | 11e2e17 |
hex | c45c40 |
12868672 has 14 divisors (see below), whose sum is σ = 25536398. Its totient is φ = 6434304.
The previous prime is 12868657. The next prime is 12868697. The reversal of 12868672 is 27686821.
It can be written as a sum of positive squares in only one way, i.e., 10863616 + 2005056 = 3296^2 + 1416^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100473 + ... + 100600.
Almost surely, 212868672 is an apocalyptic number.
It is an amenable number.
12868672 is a deficient number, since it is larger than the sum of its proper divisors (12667726).
12868672 is an equidigital number, since it uses as much as digits as its factorization.
12868672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201085 (or 201075 counting only the distinct ones).
The product of its digits is 64512, while the sum is 40.
The square root of 12868672 is about 3587.2931299240. The cubic root of 12868672 is about 234.3390026374.
The spelling of 12868672 in words is "twelve million, eight hundred sixty-eight thousand, six hundred seventy-two".
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