Base | Representation |
---|---|
bin | 101101111000… |
… | …000010011101 |
3 | 211121222120220 |
4 | 231320002131 |
5 | 11034313023 |
6 | 1105431553 |
7 | 204135156 |
oct | 55700235 |
9 | 24558526 |
10 | 12026013 |
11 | 687435a |
12 | 403b5b9 |
13 | 2650aac |
14 | 185092d |
15 | 10c83e3 |
hex | b7809d |
12026013 has 4 divisors (see below), whose sum is σ = 16034688. Its totient is φ = 8017340.
The previous prime is 12025991. The next prime is 12026041. The reversal of 12026013 is 31062021.
12026013 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12026013 - 29 = 12025501 is a prime.
It is a super-3 number, since 3×120260133 (a number of 22 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12025983 and 12026001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12026513) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2004333 + ... + 2004338.
It is an arithmetic number, because the mean of its divisors is an integer number (4008672).
Almost surely, 212026013 is an apocalyptic number.
It is an amenable number.
12026013 is a deficient number, since it is larger than the sum of its proper divisors (4008675).
12026013 is an equidigital number, since it uses as much as digits as its factorization.
12026013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4008674.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 12026013 is about 3467.8542356910. The cubic root of 12026013 is about 229.1081594039.
Adding to 12026013 its reverse (31062021), we get a palindrome (43088034).
The spelling of 12026013 in words is "twelve million, twenty-six thousand, thirteen".
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