Base | Representation |
---|---|
bin | 110001011111… |
… | …010011010001 |
3 | 220102002222022 |
4 | 301133103101 |
5 | 11310121030 |
6 | 1142021225 |
7 | 215161634 |
oct | 61372321 |
9 | 26362868 |
10 | 12973265 |
11 | 7361008 |
12 | 4417815 |
13 | 28c2cb6 |
14 | 1a19c1b |
15 | 1213de5 |
hex | c5f4d1 |
12973265 has 16 divisors (see below), whose sum is σ = 16426368. Its totient is φ = 9816576.
The previous prime is 12973253. The next prime is 12973291. The reversal of 12973265 is 56237921.
It is a cyclic number.
It is not a de Polignac number, because 12973265 - 24 = 12973249 is a prime.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 10574 + ... + 11736.
It is an arithmetic number, because the mean of its divisors is an integer number (1026648).
Almost surely, 212973265 is an apocalyptic number.
It is an amenable number.
12973265 is a deficient number, since it is larger than the sum of its proper divisors (3453103).
12973265 is a wasteful number, since it uses less digits than its factorization.
12973265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1288.
The product of its digits is 22680, while the sum is 35.
The square root of 12973265 is about 3601.8418899224. The cubic root of 12973265 is about 234.9721711425.
The spelling of 12973265 in words is "twelve million, nine hundred seventy-three thousand, two hundred sixty-five".
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