Base | Representation |
---|---|
bin | 110000000111… |
… | …011101101000 |
3 | 212201211102221 |
4 | 300013131220 |
5 | 11212112410 |
6 | 1130203424 |
7 | 212132665 |
oct | 60073550 |
9 | 25654387 |
10 | 12613480 |
11 | 7135770 |
12 | 4283574 |
13 | 27c82c9 |
14 | 1964a6c |
15 | 11924da |
hex | c07768 |
12613480 has 64 divisors (see below), whose sum is σ = 31363200. Its totient is φ = 4527360.
The previous prime is 12613477. The next prime is 12613501. The reversal of 12613480 is 8431621.
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 15 ways as a sum of consecutive naturals, for example, 47829 + ... + 48091.
It is an arithmetic number, because the mean of its divisors is an integer number (490050).
Almost surely, 212613480 is an apocalyptic number.
12613480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12613480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15681600).
12613480 is an abundant number, since it is smaller than the sum of its proper divisors (18749720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12613480 is a wasteful number, since it uses less digits than its factorization.
12613480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 394 (or 390 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 12613480 is about 3551.5461421753. The cubic root of 12613480 is about 232.7796304060.
The spelling of 12613480 in words is "twelve million, six hundred thirteen thousand, four hundred eighty".
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