Base | Representation |
---|---|
bin | 110010011101… |
… | …010111101001 |
3 | 220220000201022 |
4 | 302131113221 |
5 | 11341234442 |
6 | 1151302225 |
7 | 220301063 |
oct | 62352751 |
9 | 26800638 |
10 | 13227497 |
11 | 7515018 |
12 | 451a975 |
13 | 298192a |
14 | 1a84733 |
15 | 12643d2 |
hex | c9d5e9 |
13227497 has 2 divisors, whose sum is σ = 13227498. Its totient is φ = 13227496.
The previous prime is 13227493. The next prime is 13227499. The reversal of 13227497 is 79472231.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12503296 + 724201 = 3536^2 + 851^2 .
It is a cyclic number.
It is not a de Polignac number, because 13227497 - 22 = 13227493 is a prime.
Together with 13227499, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13227491) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613748 + 6613749.
It is an arithmetic number, because the mean of its divisors is an integer number (6613749).
Almost surely, 213227497 is an apocalyptic number.
It is an amenable number.
13227497 is a deficient number, since it is larger than the sum of its proper divisors (1).
13227497 is an equidigital number, since it uses as much as digits as its factorization.
13227497 is an evil number, because the sum of its binary digits is even.
The product of its digits is 21168, while the sum is 35.
The square root of 13227497 is about 3636.9626063516. The cubic root of 13227497 is about 236.4971386168.
The spelling of 13227497 in words is "thirteen million, two hundred twenty-seven thousand, four hundred ninety-seven".
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