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13270529 is a prime number
BaseRepresentation
bin110010100111…
…111000000001
3220222012202002
4302213320001
511344124104
61152233345
7220540406
oct62477001
926865662
1013270529
117544388
12453b855
1329983ac
141a962ad
15127201e
hexca7e01

13270529 has 2 divisors, whose sum is σ = 13270530. Its totient is φ = 13270528.

The previous prime is 13270513. The next prime is 13270541. The reversal of 13270529 is 92507231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13126129 + 144400 = 3623^2 + 380^2 .

It is an emirp because it is prime and its reverse (92507231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13270529 - 24 = 13270513 is a prime.

It is a super-2 number, since 2×132705292 = 352213879879682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13270559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6635264 + 6635265.

It is an arithmetic number, because the mean of its divisors is an integer number (6635265).

Almost surely, 213270529 is an apocalyptic number.

It is an amenable number.

13270529 is a deficient number, since it is larger than the sum of its proper divisors (1).

13270529 is an equidigital number, since it uses as much as digits as its factorization.

13270529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13270529 is about 3642.8737282536. The cubic root of 13270529 is about 236.7533203371.

The spelling of 13270529 in words is "thirteen million, two hundred seventy thousand, five hundred twenty-nine".