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12260869 is a prime number
BaseRepresentation
bin101110110001…
…011000000101
3212001220202021
4232301120011
511114321434
61114443141
7206133655
oct56613005
925056667
1012260869
116a14855
1241334b1
13270396a
1418b2365
151122cb4
hexbb1605

12260869 has 2 divisors, whose sum is σ = 12260870. Its totient is φ = 12260868.

The previous prime is 12260867. The next prime is 12260887. The reversal of 12260869 is 96806221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8631844 + 3629025 = 2938^2 + 1905^2 .

It is a cyclic number.

It is not a de Polignac number, because 12260869 - 21 = 12260867 is a prime.

It is a super-2 number, since 2×122608692 = 300657817270322, which contains 22 as substring.

Together with 12260867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12260867) 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, 6130434 + 6130435.

It is an arithmetic number, because the mean of its divisors is an integer number (6130435).

Almost surely, 212260869 is an apocalyptic number.

It is an amenable number.

12260869 is a deficient number, since it is larger than the sum of its proper divisors (1).

12260869 is an equidigital number, since it uses as much as digits as its factorization.

12260869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 12260869 is about 3501.5523700210. The cubic root of 12260869 is about 230.5899724517.

The spelling of 12260869 in words is "twelve million, two hundred sixty thousand, eight hundred sixty-nine".