Base | Representation |
---|---|
bin | 110000000111… |
… | …011001100001 |
3 | 212201211002012 |
4 | 300013121201 |
5 | 11212110332 |
6 | 1130202305 |
7 | 212132141 |
oct | 60073141 |
9 | 25654065 |
10 | 12613217 |
11 | 7135551 |
12 | 4283395 |
13 | 27c8156 |
14 | 1964921 |
15 | 11923b2 |
hex | c07661 |
12613217 has 8 divisors (see below), whose sum is σ = 12777600. Its totient is φ = 12450240.
The previous prime is 12613193. The next prime is 12613229. The reversal of 12613217 is 71231621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12613217 - 222 = 8418913 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12613192 and 12613201.
It is not an unprimeable number, because it can be changed into a prime (12613717) 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, 47828 + ... + 48090.
It is an arithmetic number, because the mean of its divisors is an integer number (1597200).
Almost surely, 212613217 is an apocalyptic number.
It is an amenable number.
12613217 is a deficient number, since it is larger than the sum of its proper divisors (164383).
12613217 is a wasteful number, since it uses less digits than its factorization.
12613217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 703.
The product of its digits is 504, while the sum is 23.
The square root of 12613217 is about 3551.5091158548. The cubic root of 12613217 is about 232.7780125213.
Adding to 12613217 its reverse (71231621), we get a palindrome (83844838).
The spelling of 12613217 in words is "twelve million, six hundred thirteen thousand, two hundred seventeen".
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