Base | Representation |
---|---|
bin | 101110111101… |
… | …000010111101 |
3 | 212011100022122 |
4 | 232331002331 |
5 | 11122334134 |
6 | 1115452325 |
7 | 206423222 |
oct | 56750275 |
9 | 25140278 |
10 | 12308669 |
11 | 6a4775a |
12 | 41570a5 |
13 | 271c649 |
14 | 18c5949 |
15 | 113202e |
hex | bbd0bd |
12308669 has 2 divisors, whose sum is σ = 12308670. Its totient is φ = 12308668.
The previous prime is 12308623. The next prime is 12308671. The reversal of 12308669 is 96680321.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10956100 + 1352569 = 3310^2 + 1163^2 .
It is a cyclic number.
It is not a de Polignac number, because 12308669 - 212 = 12304573 is a prime.
It is a super-2 number, since 2×123086692 = 303006665103122, which contains 22 as substring.
Together with 12308671, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12308069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6154334 + 6154335.
It is an arithmetic number, because the mean of its divisors is an integer number (6154335).
Almost surely, 212308669 is an apocalyptic number.
It is an amenable number.
12308669 is a deficient number, since it is larger than the sum of its proper divisors (1).
12308669 is an equidigital number, since it uses as much as digits as its factorization.
12308669 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 12308669 is about 3508.3712745375. The cubic root of 12308669 is about 230.8892418312.
The spelling of 12308669 in words is "twelve million, three hundred eight thousand, six hundred sixty-nine".
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