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13244669 is a prime number
BaseRepresentation
bin110010100001…
…100011111101
3220220220021022
4302201203331
511342312134
61151513525
7220402124
oct62414375
926826238
1013244669
117526a09
1245288a5
1329896a9
141a8aabb
15126952e
hexca18fd

13244669 has 2 divisors, whose sum is σ = 13244670. Its totient is φ = 13244668.

The previous prime is 13244641. The next prime is 13244687. The reversal of 13244669 is 96644231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13227769 + 16900 = 3637^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 13244669 - 212 = 13240573 is a prime.

It is a super-2 number, since 2×132446692 = 350842513839122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13246669) 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, 6622334 + 6622335.

It is an arithmetic number, because the mean of its divisors is an integer number (6622335).

Almost surely, 213244669 is an apocalyptic number.

It is an amenable number.

13244669 is a deficient number, since it is larger than the sum of its proper divisors (1).

13244669 is an equidigital number, since it uses as much as digits as its factorization.

13244669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 13244669 is about 3639.3226018038. The cubic root of 13244669 is about 236.5994349353.

The spelling of 13244669 in words is "thirteen million, two hundred forty-four thousand, six hundred sixty-nine".