Base | Representation |
---|---|
bin | 110001010111… |
… | …011111111001 |
3 | 220100111010121 |
4 | 301113133321 |
5 | 11303110210 |
6 | 1141213241 |
7 | 214666516 |
oct | 61273771 |
9 | 26314117 |
10 | 12941305 |
11 | 7339aa3 |
12 | 4401221 |
13 | 28b15a0 |
14 | 1a0c30d |
15 | 12096da |
hex | c577f9 |
12941305 has 16 divisors (see below), whose sum is σ = 17179344. Its totient is φ = 9296640.
The previous prime is 12941303. The next prime is 12941311. The reversal of 12941305 is 50314921.
It can be written as a sum of positive squares in 8 ways, for example, as 210681 + 12730624 = 459^2 + 3568^2 .
It is not a de Polignac number, because 12941305 - 21 = 12941303 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12941305.
It is not an unprimeable number, because it can be changed into a prime (12941303) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286 + ... + 5095.
It is an arithmetic number, because the mean of its divisors is an integer number (1073709).
Almost surely, 212941305 is an apocalyptic number.
It is an amenable number.
12941305 is a deficient number, since it is larger than the sum of its proper divisors (4238039).
12941305 is a wasteful number, since it uses less digits than its factorization.
12941305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5436.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 12941305 is about 3597.4025351634. The cubic root of 12941305 is about 234.7790589785.
The spelling of 12941305 in words is "twelve million, nine hundred forty-one thousand, three hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •