Base | Representation |
---|---|
bin | 101111011010… |
… | …000000001011 |
3 | 212101101000110 |
4 | 233122000023 |
5 | 11140133100 |
6 | 1122205403 |
7 | 210426060 |
oct | 57320013 |
9 | 25341013 |
10 | 12427275 |
11 | 7018883 |
12 | 41b3863 |
13 | 2761623 |
14 | 1916c67 |
15 | 1157250 |
hex | bda00b |
12427275 has 24 divisors (see below), whose sum is σ = 23482624. Its totient is φ = 5680800.
The previous prime is 12427237. The next prime is 12427277. The reversal of 12427275 is 57272421.
It is not a de Polignac number, because 12427275 - 26 = 12427211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12427277) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11311 + ... + 12360.
Almost surely, 212427275 is an apocalyptic number.
12427275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12427275 is a deficient number, since it is larger than the sum of its proper divisors (11055349).
12427275 is a wasteful number, since it uses less digits than its factorization.
12427275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23691 (or 23686 counting only the distinct ones).
The product of its digits is 7840, while the sum is 30.
The square root of 12427275 is about 3525.2340347841. The cubic root of 12427275 is about 231.6284865972.
Adding to 12427275 its reverse (57272421), we get a palindrome (69699696).
The spelling of 12427275 in words is "twelve million, four hundred twenty-seven thousand, two hundred seventy-five".
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