Base | Representation |
---|---|
bin | 110001001100… |
… | …011111001101 |
3 | 220021012021020 |
4 | 301030133031 |
5 | 11300134310 |
6 | 1140224353 |
7 | 214421160 |
oct | 61143715 |
9 | 26235236 |
10 | 12896205 |
11 | 7309123 |
12 | 439b0b9 |
13 | 2896bba |
14 | 19d9ad7 |
15 | 11eb170 |
hex | c4c7cd |
12896205 has 32 divisors (see below), whose sum is σ = 23721984. Its totient is φ = 5860416.
The previous prime is 12896171. The next prime is 12896209. The reversal of 12896205 is 50269821.
It is not a de Polignac number, because 12896205 - 26 = 12896141 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12896209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27382 + ... + 27848.
It is an arithmetic number, because the mean of its divisors is an integer number (741312).
Almost surely, 212896205 is an apocalyptic number.
12896205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12896205 is a deficient number, since it is larger than the sum of its proper divisors (10825779).
12896205 is a wasteful number, since it uses less digits than its factorization.
12896205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 745.
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 12896205 is about 3591.1286526662. The cubic root of 12896205 is about 234.5060092446.
The spelling of 12896205 in words is "twelve million, eight hundred ninety-six thousand, two hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •