Base | Representation |
---|---|
bin | 110010011010… |
… | …000101000001 |
3 | 220212100020001 |
4 | 302122011001 |
5 | 11340322032 |
6 | 1151120001 |
7 | 220213555 |
oct | 62320501 |
9 | 26770201 |
10 | 13214017 |
11 | 7505983 |
12 | 4513001 |
13 | 297875b |
14 | 1a7d865 |
15 | 12603e7 |
hex | c9a141 |
13214017 has 2 divisors, whose sum is σ = 13214018. Its totient is φ = 13214016.
The previous prime is 13214011. The next prime is 13214021. The reversal of 13214017 is 71041231.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7639696 + 5574321 = 2764^2 + 2361^2 .
It is a cyclic number.
It is not a de Polignac number, because 13214017 - 23 = 13214009 is a prime.
It is a super-2 number, since 2×132140172 = 349220490552578, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13213985 and 13214003.
It is not a weakly prime, because it can be changed into another prime (13214011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6607008 + 6607009.
It is an arithmetic number, because the mean of its divisors is an integer number (6607009).
Almost surely, 213214017 is an apocalyptic number.
It is an amenable number.
13214017 is a deficient number, since it is larger than the sum of its proper divisors (1).
13214017 is an equidigital number, since it uses as much as digits as its factorization.
13214017 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 13214017 is about 3635.1089392204. The cubic root of 13214017 is about 236.4167740805.
Adding to 13214017 its reverse (71041231), we get a palindrome (84255248).
The spelling of 13214017 in words is "thirteen million, two hundred fourteen thousand, seventeen".
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