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12288277 is a prime number
BaseRepresentation
bin101110111000…
…000100010101
3212010022100101
4232320010111
511121211102
61115214101
7206306611
oct56700425
925108311
1012288277
116a33401
124147331
132713291
1418bc341
15112ae87
hexbb8115

12288277 has 2 divisors, whose sum is σ = 12288278. Its totient is φ = 12288276.

The previous prime is 12288259. The next prime is 12288281. The reversal of 12288277 is 77288221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11383876 + 904401 = 3374^2 + 951^2 .

It is a cyclic number.

It is not a de Polignac number, because 12288277 - 219 = 11763989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12288077) 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, 6144138 + 6144139.

It is an arithmetic number, because the mean of its divisors is an integer number (6144139).

Almost surely, 212288277 is an apocalyptic number.

It is an amenable number.

12288277 is a deficient number, since it is larger than the sum of its proper divisors (1).

12288277 is an equidigital number, since it uses as much as digits as its factorization.

12288277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25088, while the sum is 37.

The square root of 12288277 is about 3505.4638780053. The cubic root of 12288277 is about 230.7616651907.

The spelling of 12288277 in words is "twelve million, two hundred eighty-eight thousand, two hundred seventy-seven".