Base | Representation |
---|---|
bin | 110000011101… |
… | …100101111100 |
3 | 212220102210010 |
4 | 300131211330 |
5 | 11223012444 |
6 | 1132143220 |
7 | 212661156 |
oct | 60354574 |
9 | 25812703 |
10 | 12704124 |
11 | 7197884 |
12 | 4307b10 |
13 | 282a644 |
14 | 1989ad6 |
15 | 11ae2b9 |
hex | c1d97c |
12704124 has 12 divisors (see below), whose sum is σ = 29642984. Its totient is φ = 4234704.
The previous prime is 12704113. The next prime is 12704129. The reversal of 12704124 is 42140721.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×127041242 = 322789533214752, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12704124.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12704129) 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, 529327 + ... + 529350.
Almost surely, 212704124 is an apocalyptic number.
It is an amenable number.
12704124 is an abundant number, since it is smaller than the sum of its proper divisors (16938860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12704124 is a wasteful number, since it uses less digits than its factorization.
12704124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1058684 (or 1058682 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 21.
The square root of 12704124 is about 3564.2845004292. The cubic root of 12704124 is about 233.3359065476.
Adding to 12704124 its reverse (42140721), we get a palindrome (54844845).
The spelling of 12704124 in words is "twelve million, seven hundred four thousand, one hundred twenty-four".
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