Base | Representation |
---|---|
bin | 110000101010… |
… | …100010000101 |
3 | 220000010111010 |
4 | 300222202011 |
5 | 11231212000 |
6 | 1133232433 |
7 | 213301533 |
oct | 60524205 |
9 | 26003433 |
10 | 12757125 |
11 | 7223687 |
12 | 4332719 |
13 | 28487c4 |
14 | 19a1153 |
15 | 11bed50 |
hex | c2a885 |
12757125 has 16 divisors (see below), whose sum is σ = 21228480. Its totient is φ = 6803600.
The previous prime is 12757099. The next prime is 12757127. The reversal of 12757125 is 52175721.
It is not a de Polignac number, because 12757125 - 25 = 12757093 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12757092 and 12757101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12757127) 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, 16635 + ... + 17384.
It is an arithmetic number, because the mean of its divisors is an integer number (1326780).
Almost surely, 212757125 is an apocalyptic number.
12757125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12757125 is a deficient number, since it is larger than the sum of its proper divisors (8471355).
12757125 is an equidigital number, since it uses as much as digits as its factorization.
12757125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34037 (or 34027 counting only the distinct ones).
The product of its digits is 4900, while the sum is 30.
The square root of 12757125 is about 3571.7117744857. The cubic root of 12757125 is about 233.6599451014.
The spelling of 12757125 in words is "twelve million, seven hundred fifty-seven thousand, one hundred twenty-five".
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