Base | Representation |
---|---|
bin | 101110110011… |
… | …100111001011 |
3 | 212002101022110 |
4 | 232303213023 |
5 | 11120120102 |
6 | 1114553403 |
7 | 206202450 |
oct | 56634713 |
9 | 25071273 |
10 | 12270027 |
11 | 6a20720 |
12 | 4138863 |
13 | 2707b93 |
14 | 18b5827 |
15 | 112586c |
hex | bb39cb |
12270027 has 16 divisors (see below), whose sum is σ = 20397312. Its totient is φ = 6373920.
The previous prime is 12269989. The next prime is 12270047. The reversal of 12270027 is 72007221.
12270027 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12270027 - 27 = 12269899 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 12269985 and 12270012.
It is not an unprimeable number, because it can be changed into a prime (12270047) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26328 + ... + 26789.
It is an arithmetic number, because the mean of its divisors is an integer number (1274832).
Almost surely, 212270027 is an apocalyptic number.
12270027 is a deficient number, since it is larger than the sum of its proper divisors (8127285).
12270027 is a wasteful number, since it uses less digits than its factorization.
12270027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53138.
The product of its (nonzero) digits is 392, while the sum is 21.
The square root of 12270027 is about 3502.8598316233. The cubic root of 12270027 is about 230.6473696180.
Adding to 12270027 its reverse (72007221), we get a palindrome (84277248).
The spelling of 12270027 in words is "twelve million, two hundred seventy thousand, twenty-seven".
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