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13530017 is a prime number
BaseRepresentation
bin110011100111…
…001110100001
3221110101200202
4303213032201
511430430032
61201554545
7223001054
oct63471641
927411622
1013530017
117701336
124645a55
132a59537
141b22a9b
1512c3d62
hexce73a1

13530017 has 2 divisors, whose sum is σ = 13530018. Its totient is φ = 13530016.

The previous prime is 13529987. The next prime is 13530019. The reversal of 13530017 is 71003531.

It is a happy number.

13530017 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9186961 + 4343056 = 3031^2 + 2084^2 .

It is an emirp because it is prime and its reverse (71003531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13530017 - 212 = 13525921 is a prime.

It is a super-2 number, since 2×135300172 = 366122720040578, which contains 22 as substring.

Together with 13530019, 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 (13530019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765008 + 6765009.

It is an arithmetic number, because the mean of its divisors is an integer number (6765009).

Almost surely, 213530017 is an apocalyptic number.

It is an amenable number.

13530017 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530017 is an equidigital number, since it uses as much as digits as its factorization.

13530017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 13530017 is about 3678.3171423900. The cubic root of 13530017 is about 238.2865050003.

Adding to 13530017 its reverse (71003531), we get a palindrome (84533548).

The spelling of 13530017 in words is "thirteen million, five hundred thirty thousand, seventeen".