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12277 is a prime number
BaseRepresentation
bin10111111110101
3121211201
42333311
5343102
6132501
750536
oct27765
917751
1012277
119251
127131
135785
14468d
153987
hex2ff5

12277 has 2 divisors, whose sum is σ = 12278. Its totient is φ = 12276.

The previous prime is 12269. The next prime is 12281. The reversal of 12277 is 77221.

Adding to 12277 its reverse (77221), we get a palindrome (89498).

It can be divided in two parts, 12 and 277, that added together give a square (289 = 172).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7921 + 4356 = 89^2 + 66^2 .

It is a cyclic number.

It is not a de Polignac number, because 12277 - 23 = 12269 is a prime.

It is a Chen prime.

It is equal to p1468 and since 12277 and 1468 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 10 and base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12227) 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, 6138 + 6139.

It is an arithmetic number, because the mean of its divisors is an integer number (6139).

212277 is an apocalyptic number.

It is an amenable number.

12277 is a deficient number, since it is larger than the sum of its proper divisors (1).

12277 is an equidigital number, since it uses as much as digits as its factorization.

12277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196, while the sum is 19.

The square root of 12277 is about 110.8016245368. The cubic root of 12277 is about 23.0691053291.

The spelling of 12277 in words is "twelve thousand, two hundred seventy-seven", and thus it is an iban number.