Base | Representation |
---|---|
bin | 110001011000… |
… | …001000110111 |
3 | 220100121201201 |
4 | 301120020313 |
5 | 11303201202 |
6 | 1141233331 |
7 | 215010253 |
oct | 61301067 |
9 | 26317651 |
10 | 12943927 |
11 | 7340a67 |
12 | 4402847 |
13 | 28b2839 |
14 | 1a0d263 |
15 | 120a387 |
hex | c58237 |
12943927 has 2 divisors, whose sum is σ = 12943928. Its totient is φ = 12943926.
The previous prime is 12943901. The next prime is 12943949. The reversal of 12943927 is 72934921.
12943927 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is an emirp because it is prime and its reverse (72934921) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12943927 - 223 = 4555319 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12943327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6471963 + 6471964.
It is an arithmetic number, because the mean of its divisors is an integer number (6471964).
Almost surely, 212943927 is an apocalyptic number.
12943927 is a deficient number, since it is larger than the sum of its proper divisors (1).
12943927 is an equidigital number, since it uses as much as digits as its factorization.
12943927 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 27216, while the sum is 37.
The square root of 12943927 is about 3597.7669463155. The cubic root of 12943927 is about 234.7949138742.
The spelling of 12943927 in words is "twelve million, nine hundred forty-three thousand, nine hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •