Base | Representation |
---|---|
bin | 110001100010… |
… | …010000001101 |
3 | 220102201120011 |
4 | 301202100031 |
5 | 11311012412 |
6 | 1142153221 |
7 | 215242120 |
oct | 61422015 |
9 | 26381504 |
10 | 12985357 |
11 | 736a100 |
12 | 4422811 |
13 | 28c8658 |
14 | 1a203b7 |
15 | 12177a7 |
hex | c6240d |
12985357 has 12 divisors (see below), whose sum is σ = 16313248. Its totient is φ = 10117800.
The previous prime is 12985351. The next prime is 12985361. The reversal of 12985357 is 75358921.
12985357 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12985357 - 211 = 12983309 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12985351) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6819 + ... + 8512.
Almost surely, 212985357 is an apocalyptic number.
It is an amenable number.
12985357 is a deficient number, since it is larger than the sum of its proper divisors (3327891).
12985357 is a wasteful number, since it uses less digits than its factorization.
12985357 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15360 (or 15349 counting only the distinct ones).
The product of its digits is 75600, while the sum is 40.
The square root of 12985357 is about 3603.5200845840. The cubic root of 12985357 is about 235.0451520303.
The spelling of 12985357 in words is "twelve million, nine hundred eighty-five thousand, three hundred fifty-seven".
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