Base | Representation |
---|---|
bin | 101111000000… |
… | …110101100101 |
3 | 212012010121202 |
4 | 233000311211 |
5 | 11123333242 |
6 | 1120052245 |
7 | 206516414 |
oct | 57006545 |
9 | 25163552 |
10 | 12324197 |
11 | 6a58396 |
12 | 4164085 |
13 | 2726732 |
14 | 18cb47b |
15 | 1136932 |
hex | bc0d65 |
12324197 has 4 divisors (see below), whose sum is σ = 12331980. Its totient is φ = 12316416.
The previous prime is 12324163. The next prime is 12324203. The reversal of 12324197 is 79142321.
12324197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 79142321 = 6703 ⋅11807.
It can be written as a sum of positive squares in 2 ways, for example, as 8300161 + 4024036 = 2881^2 + 2006^2 .
It is a cyclic number.
It is not a de Polignac number, because 12324197 - 218 = 12062053 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12324107) 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, 572 + ... + 4997.
It is an arithmetic number, because the mean of its divisors is an integer number (3082995).
Almost surely, 212324197 is an apocalyptic number.
It is an amenable number.
12324197 is a deficient number, since it is larger than the sum of its proper divisors (7783).
12324197 is an equidigital number, since it uses as much as digits as its factorization.
12324197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7782.
The product of its digits is 3024, while the sum is 29.
The square root of 12324197 is about 3510.5835697217. The cubic root of 12324197 is about 230.9862937964.
It can be divided in two parts, 12324 and 197, that added together give a palindrome (12521).
The spelling of 12324197 in words is "twelve million, three hundred twenty-four thousand, one hundred ninety-seven".
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