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13296581 is a prime number
BaseRepresentation
bin110010101110…
…001111000101
3221000112110222
4302232033011
511400442311
61152554125
7221006354
oct62561705
927015428
1013296581
117561a11
124552945
1329a71cc
141aa199b
151279adb
hexcae3c5

13296581 has 2 divisors, whose sum is σ = 13296582. Its totient is φ = 13296580.

The previous prime is 13296571. The next prime is 13296593. The reversal of 13296581 is 18569231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11937025 + 1359556 = 3455^2 + 1166^2 .

It is a cyclic number.

It is not a de Polignac number, because 13296581 - 222 = 9102277 is a prime.

It is a super-2 number, since 2×132965812 = 353598132579122, which contains 22 as substring.

It is equal to p867257 and since 13296581 and 867257 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13296541) 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, 6648290 + 6648291.

It is an arithmetic number, because the mean of its divisors is an integer number (6648291).

Almost surely, 213296581 is an apocalyptic number.

It is an amenable number.

13296581 is a deficient number, since it is larger than the sum of its proper divisors (1).

13296581 is an equidigital number, since it uses as much as digits as its factorization.

13296581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 13296581 is about 3646.4477234701. The cubic root of 13296581 is about 236.9081462609.

The spelling of 13296581 in words is "thirteen million, two hundred ninety-six thousand, five hundred eighty-one".