Base | Representation |
---|---|
bin | 101101110111… |
… | …011001110100 |
3 | 211121212000120 |
4 | 231313121310 |
5 | 11034222122 |
6 | 1105411540 |
7 | 204124452 |
oct | 55673164 |
9 | 24555016 |
10 | 12023412 |
11 | 6872405 |
12 | 4039bb0 |
13 | 264c85b |
14 | 184d9d2 |
15 | 10c775c |
hex | b77674 |
12023412 has 24 divisors (see below), whose sum is σ = 28960512. Its totient is φ = 3878400.
The previous prime is 12023393. The next prime is 12023419. The reversal of 12023412 is 21432021.
It is a super-2 number, since 2×120234122 = 289124872243488, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12023391 and 12023400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12023419) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15789 + ... + 16532.
It is an arithmetic number, because the mean of its divisors is an integer number (1206688).
Almost surely, 212023412 is an apocalyptic number.
12023412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12023412 is an abundant number, since it is smaller than the sum of its proper divisors (16937100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12023412 is a wasteful number, since it uses less digits than its factorization.
12023412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32359 (or 32357 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 12023412 is about 3467.4791996492. The cubic root of 12023412 is about 229.0916409537.
Adding to 12023412 its reverse (21432021), we get a palindrome (33455433).
It can be divided in two parts, 120 and 23412, that added together give a palindrome (23532).
The spelling of 12023412 in words is "twelve million, twenty-three thousand, four hundred twelve".
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