Base | Representation |
---|---|
bin | 101111011010… |
… | …000110101100 |
3 | 212101101120220 |
4 | 233122012230 |
5 | 11140141232 |
6 | 1122211340 |
7 | 210430224 |
oct | 57320654 |
9 | 25341526 |
10 | 12427692 |
11 | 7019122 |
12 | 41b3b50 |
13 | 2761884 |
14 | 1917084 |
15 | 115742c |
hex | bda1ac |
12427692 has 12 divisors (see below), whose sum is σ = 28997976. Its totient is φ = 4142560.
The previous prime is 12427687. The next prime is 12427699. The reversal of 12427692 is 29672421.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (12427699) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517809 + ... + 517832.
It is an arithmetic number, because the mean of its divisors is an integer number (2416498).
Almost surely, 212427692 is an apocalyptic number.
12427692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12427692 is an abundant number, since it is smaller than the sum of its proper divisors (16570284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12427692 is a wasteful number, since it uses less digits than its factorization.
12427692 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1035648 (or 1035646 counting only the distinct ones).
The product of its digits is 12096, while the sum is 33.
The square root of 12427692 is about 3525.2931792973. The cubic root of 12427692 is about 231.6310773501.
The spelling of 12427692 in words is "twelve million, four hundred twenty-seven thousand, six hundred ninety-two".
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