Base | Representation |
---|---|
bin | 110000101001… |
… | …000000100101 |
3 | 212222210221000 |
4 | 300221000211 |
5 | 11231012020 |
6 | 1133143513 |
7 | 213244410 |
oct | 60510045 |
9 | 25883830 |
10 | 12750885 |
11 | 7219a24 |
12 | 432ab99 |
13 | 2845a04 |
14 | 199cb77 |
15 | 11bd090 |
hex | c29025 |
12750885 has 64 divisors (see below), whose sum is σ = 26357760. Its totient is φ = 5728320.
The previous prime is 12750863. The next prime is 12750911. The reversal of 12750885 is 58805721.
It is not a de Polignac number, because 12750885 - 29 = 12750373 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97270 + ... + 97400.
It is an arithmetic number, because the mean of its divisors is an integer number (411840).
Almost surely, 212750885 is an apocalyptic number.
12750885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12750885 is an abundant number, since it is smaller than the sum of its proper divisors (13606875).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12750885 is a wasteful number, since it uses less digits than its factorization.
12750885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255 (or 249 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 36.
The square root of 12750885 is about 3570.8381369085. The cubic root of 12750885 is about 233.6218415357.
The spelling of 12750885 in words is "twelve million, seven hundred fifty thousand, eight hundred eighty-five".
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