Base | Representation |
---|---|
bin | 110001001010… |
… | …001110111111 |
3 | 220020201121101 |
4 | 301022032333 |
5 | 11244340400 |
6 | 1140113531 |
7 | 214352233 |
oct | 61121677 |
9 | 26221541 |
10 | 12886975 |
11 | 73021a2 |
12 | 43958a7 |
13 | 289293a |
14 | 19d65c3 |
15 | 11e856a |
hex | c4a3bf |
12886975 has 12 divisors (see below), whose sum is σ = 16056760. Its totient is φ = 10260000.
The previous prime is 12886967. The next prime is 12886987. The reversal of 12886975 is 57968821.
12886975 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12886975 - 23 = 12886967 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4600 + ... + 6850.
Almost surely, 212886975 is an apocalyptic number.
12886975 is a deficient number, since it is larger than the sum of its proper divisors (3169785).
12886975 is a wasteful number, since it uses less digits than its factorization.
12886975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2490 (or 2485 counting only the distinct ones).
The product of its digits is 241920, while the sum is 46.
The square root of 12886975 is about 3589.8433113438. The cubic root of 12886975 is about 234.4500494473.
It can be divided in two parts, 12886 and 975, that added together give a triangular number (13861 = T166).
The spelling of 12886975 in words is "twelve million, eight hundred eighty-six thousand, nine hundred seventy-five".
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