Base | Representation |
---|---|
bin | 101110100010… |
… | …111011110001 |
3 | 211221220121022 |
4 | 232202323301 |
5 | 11110423323 |
6 | 1113305225 |
7 | 205466336 |
oct | 56427361 |
9 | 24856538 |
10 | 12201713 |
11 | 6984367 |
12 | 4105215 |
13 | 26b2a64 |
14 | 189898d |
15 | 11104c8 |
hex | ba2ef1 |
12201713 has 4 divisors (see below), whose sum is σ = 12431988. Its totient is φ = 11971440.
The previous prime is 12201703. The next prime is 12201719. The reversal of 12201713 is 31710221.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4545424 + 7656289 = 2132^2 + 2767^2 .
It is a cyclic number.
It is not a de Polignac number, because 12201713 - 28 = 12201457 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12201691 and 12201700.
It is not an unprimeable number, because it can be changed into a prime (12201719) 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, 115058 + ... + 115163.
It is an arithmetic number, because the mean of its divisors is an integer number (3107997).
Almost surely, 212201713 is an apocalyptic number.
It is an amenable number.
12201713 is a deficient number, since it is larger than the sum of its proper divisors (230275).
12201713 is an equidigital number, since it uses as much as digits as its factorization.
12201713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230274.
The product of its (nonzero) digits is 84, while the sum is 17.
The square root of 12201713 is about 3493.0950459442. The cubic root of 12201713 is about 230.2185257696.
Adding to 12201713 its reverse (31710221), we get a palindrome (43911934).
The spelling of 12201713 in words is "twelve million, two hundred one thousand, seven hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •