Base | Representation |
---|---|
bin | 101111011001… |
… | …100011001111 |
3 | 212101021110212 |
4 | 233121203033 |
5 | 11140103143 |
6 | 1122153035 |
7 | 210420503 |
oct | 57314317 |
9 | 25337425 |
10 | 12425423 |
11 | 701744a |
12 | 41b277b |
13 | 276082a |
14 | 1916303 |
15 | 1156918 |
hex | bd98cf |
12425423 has 2 divisors, whose sum is σ = 12425424. Its totient is φ = 12425422.
The previous prime is 12425417. The next prime is 12425443. The reversal of 12425423 is 32452421.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12425423 - 28 = 12425167 is a prime.
It is a super-3 number, since 3×124254233 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12425443) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212711 + 6212712.
It is an arithmetic number, because the mean of its divisors is an integer number (6212712).
Almost surely, 212425423 is an apocalyptic number.
12425423 is a deficient number, since it is larger than the sum of its proper divisors (1).
12425423 is an equidigital number, since it uses as much as digits as its factorization.
12425423 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1920, while the sum is 23.
The square root of 12425423 is about 3524.9713474013. The cubic root of 12425423 is about 231.6169797230.
Adding to 12425423 its reverse (32452421), we get a palindrome (44877844).
The spelling of 12425423 in words is "twelve million, four hundred twenty-five thousand, four hundred twenty-three".
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