Base | Representation |
---|---|
bin | 101111000111… |
… | …111010111101 |
3 | 212020121102102 |
4 | 233013322331 |
5 | 11130300323 |
6 | 1120434445 |
7 | 210000125 |
oct | 57077275 |
9 | 25217372 |
10 | 12353213 |
11 | 6a78174 |
12 | 4178a25 |
13 | 27369c2 |
14 | 18d7c85 |
15 | 1140328 |
hex | bc7ebd |
12353213 has 2 divisors, whose sum is σ = 12353214. Its totient is φ = 12353212.
The previous prime is 12353207. The next prime is 12353239. The reversal of 12353213 is 31235321.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11539609 + 813604 = 3397^2 + 902^2 .
It is a cyclic number.
It is not a de Polignac number, because 12353213 - 24 = 12353197 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12353813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6176606 + 6176607.
It is an arithmetic number, because the mean of its divisors is an integer number (6176607).
Almost surely, 212353213 is an apocalyptic number.
It is an amenable number.
12353213 is a deficient number, since it is larger than the sum of its proper divisors (1).
12353213 is an equidigital number, since it uses as much as digits as its factorization.
12353213 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 540, while the sum is 20.
The square root of 12353213 is about 3514.7137863559. The cubic root of 12353213 is about 231.1674292008.
Adding to 12353213 its reverse (31235321), we get a palindrome (43588534).
The spelling of 12353213 in words is "twelve million, three hundred fifty-three thousand, two hundred thirteen".
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