Base | Representation |
---|---|
bin | 110000000111… |
… | …010000000100 |
3 | 212201210020210 |
4 | 300013100010 |
5 | 11212100422 |
6 | 1130155420 |
7 | 212130315 |
oct | 60072004 |
9 | 25653223 |
10 | 12612612 |
11 | 7135051 |
12 | 4282b70 |
13 | 27c7aac |
14 | 196460c |
15 | 119210c |
hex | c07404 |
12612612 has 12 divisors (see below), whose sum is σ = 29429456. Its totient is φ = 4204200.
The previous prime is 12612571. The next prime is 12612679. The reversal of 12612612 is 21621621.
It is a tau number, because it is divible by the number of its divisors (12).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525514 + ... + 525537.
Almost surely, 212612612 is an apocalyptic number.
12612612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12612612 is an abundant number, since it is smaller than the sum of its proper divisors (16816844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12612612 is a wasteful number, since it uses less digits than its factorization.
12612612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1051058 (or 1051056 counting only the distinct ones).
The product of its digits is 288, while the sum is 21.
The square root of 12612612 is about 3551.4239397740. The cubic root of 12612612 is about 232.7742906860.
Subtracting 12612612 from its reverse (21621621), we obtain a palindrome (9009009).
The spelling of 12612612 in words is "twelve million, six hundred twelve thousand, six hundred twelve".
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