Base | Representation |
---|---|
bin | 110001001110… |
… | …111100111001 |
3 | 220021201010000 |
4 | 301032330321 |
5 | 11301000142 |
6 | 1140343213 |
7 | 214462455 |
oct | 61167471 |
9 | 26251100 |
10 | 12906297 |
11 | 7315768 |
12 | 43a4b09 |
13 | 289b681 |
14 | 19dd665 |
15 | 11ee14c |
hex | c4ef39 |
12906297 has 10 divisors (see below), whose sum is σ = 19279898. Its totient is φ = 8604144.
The previous prime is 12906293. The next prime is 12906307. The reversal of 12906297 is 79260921.
12906297 is a `hidden beast` number, since 1 + 29 + 0 + 629 + 7 = 666.
It can be written as a sum of positive squares in only one way, i.e., 11943936 + 962361 = 3456^2 + 981^2 .
It is not a de Polignac number, because 12906297 - 22 = 12906293 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12906293) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 79588 + ... + 79749.
Almost surely, 212906297 is an apocalyptic number.
It is an amenable number.
12906297 is a deficient number, since it is larger than the sum of its proper divisors (6373601).
12906297 is an equidigital number, since it uses as much as digits as its factorization.
12906297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159349 (or 159340 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 12906297 is about 3592.5335071506. The cubic root of 12906297 is about 234.5671646407.
It can be divided in two parts, 12906 and 297, that added together give a triangular number (13203 = T162).
The spelling of 12906297 in words is "twelve million, nine hundred six thousand, two hundred ninety-seven".
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