Base | Representation |
---|---|
bin | 101110101110… |
… | …110111110101 |
3 | 212001101200102 |
4 | 232232313311 |
5 | 11114004423 |
6 | 1114323445 |
7 | 206062034 |
oct | 56566765 |
9 | 25041612 |
10 | 12250613 |
11 | 6a08081 |
12 | 4129585 |
13 | 26cc0ab |
14 | 18ac71b |
15 | 111ec28 |
hex | baedf5 |
12250613 has 2 divisors, whose sum is σ = 12250614. Its totient is φ = 12250612.
The previous prime is 12250561. The next prime is 12250621. The reversal of 12250613 is 31605221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11785489 + 465124 = 3433^2 + 682^2 .
It is an emirp because it is prime and its reverse (31605221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12250613 - 218 = 11988469 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12250633) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125306 + 6125307.
It is an arithmetic number, because the mean of its divisors is an integer number (6125307).
Almost surely, 212250613 is an apocalyptic number.
It is an amenable number.
12250613 is a deficient number, since it is larger than the sum of its proper divisors (1).
12250613 is an equidigital number, since it uses as much as digits as its factorization.
12250613 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 12250613 is about 3500.0875703331. The cubic root of 12250613 is about 230.5256597054.
Adding to 12250613 its reverse (31605221), we get a palindrome (43855834).
The spelling of 12250613 in words is "twelve million, two hundred fifty thousand, six hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.093 sec. • engine limits •