Base | Representation |
---|---|
bin | 110000101010… |
… | …001001110111 |
3 | 220000001100201 |
4 | 300222021313 |
5 | 11231134300 |
6 | 1133221331 |
7 | 213264160 |
oct | 60521167 |
9 | 26001321 |
10 | 12755575 |
11 | 72224a8 |
12 | 4331847 |
13 | 2847ba1 |
14 | 19a0767 |
15 | 11be66a |
hex | c2a277 |
12755575 has 12 divisors (see below), whose sum is σ = 18076720. Its totient is φ = 8746560.
The previous prime is 12755557. The next prime is 12755579. The reversal of 12755575 is 57555721.
It is a happy number.
12755575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12755575 - 217 = 12624503 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12755579) 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, 36270 + ... + 36619.
Almost surely, 212755575 is an apocalyptic number.
12755575 is a deficient number, since it is larger than the sum of its proper divisors (5321145).
12755575 is an equidigital number, since it uses as much as digits as its factorization.
12755575 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72906 (or 72901 counting only the distinct ones).
The product of its digits is 61250, while the sum is 37.
The square root of 12755575 is about 3571.4947851005. The cubic root of 12755575 is about 233.6504814335.
The spelling of 12755575 in words is "twelve million, seven hundred fifty-five thousand, five hundred seventy-five".
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