Base | Representation |
---|---|
bin | 101110001111… |
… | …101100101111 |
3 | 211210220112022 |
4 | 232033230233 |
5 | 11100413202 |
6 | 1111500355 |
7 | 205020545 |
oct | 56175457 |
9 | 24726468 |
10 | 12122927 |
11 | 6930153 |
12 | 40876bb |
13 | 2685c3b |
14 | 1877d95 |
15 | 10e6ea2 |
hex | b8fb2f |
12122927 has 4 divisors (see below), whose sum is σ = 12152280. Its totient is φ = 12093576.
The previous prime is 12122879. The next prime is 12122933. The reversal of 12122927 is 72922121.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12122927 - 212 = 12118831 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12122896 and 12122905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12122977) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14048 + ... + 14885.
It is an arithmetic number, because the mean of its divisors is an integer number (3038070).
Almost surely, 212122927 is an apocalyptic number.
12122927 is a deficient number, since it is larger than the sum of its proper divisors (29353).
12122927 is an equidigital number, since it uses as much as digits as its factorization.
12122927 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29352.
The product of its digits is 1008, while the sum is 26.
The square root of 12122927 is about 3481.7993911195. The cubic root of 12122927 is about 229.7219513350.
The spelling of 12122927 in words is "twelve million, one hundred twenty-two thousand, nine hundred twenty-seven".
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