Base | Representation |
---|---|
bin | 110000000111… |
… | …100101010111 |
3 | 212201212010021 |
4 | 300013211113 |
5 | 11212121400 |
6 | 1130210011 |
7 | 212134303 |
oct | 60074527 |
9 | 25655107 |
10 | 12613975 |
11 | 7136080 |
12 | 4283907 |
13 | 27c85ba |
14 | 1964d03 |
15 | 119271a |
hex | c07957 |
12613975 has 12 divisors (see below), whose sum is σ = 17063640. Its totient is φ = 9173600.
The previous prime is 12613973. The next prime is 12613981. The reversal of 12613975 is 57931621.
12613975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12613975 - 21 = 12613973 is a prime.
It is a super-2 number, since 2×126139752 = 318224730601250, 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 12613975.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12613973) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22660 + ... + 23209.
It is an arithmetic number, because the mean of its divisors is an integer number (1421970).
Almost surely, 212613975 is an apocalyptic number.
12613975 is a deficient number, since it is larger than the sum of its proper divisors (4449665).
12613975 is a wasteful number, since it uses less digits than its factorization.
12613975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45890 (or 45885 counting only the distinct ones).
The product of its digits is 11340, while the sum is 34.
The square root of 12613975 is about 3551.6158294500. The cubic root of 12613975 is about 232.7826754131.
The spelling of 12613975 in words is "twelve million, six hundred thirteen thousand, nine hundred seventy-five".
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