Base | Representation |
---|---|
bin | 110000000111… |
… | …011100101100 |
3 | 212201211100201 |
4 | 300013130230 |
5 | 11212112140 |
6 | 1130203244 |
7 | 212132551 |
oct | 60073454 |
9 | 25654321 |
10 | 12613420 |
11 | 7135716 |
12 | 4283524 |
13 | 27c8281 |
14 | 1964a28 |
15 | 119249a |
hex | c0772c |
12613420 has 24 divisors (see below), whose sum is σ = 26886384. Its totient is φ = 4969536.
The previous prime is 12613409. The next prime is 12613457. The reversal of 12613420 is 2431621.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3367 + ... + 6046.
It is an arithmetic number, because the mean of its divisors is an integer number (1120266).
Almost surely, 212613420 is an apocalyptic number.
12613420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12613420 is an abundant number, since it is smaller than the sum of its proper divisors (14272964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12613420 is a wasteful number, since it uses less digits than its factorization.
12613420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9489 (or 9487 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 12613420 is about 3551.5376951400. The cubic root of 12613420 is about 232.7792613088.
The spelling of 12613420 in words is "twelve million, six hundred thirteen thousand, four hundred twenty".
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