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12283819 is a prime number
BaseRepresentation
bin101110110110…
…111110101011
3212010002020021
4232312332223
511121040234
61115141311
7206260612
oct56667653
925102207
1012283819
116a30019
124144837
132711242
1418ba879
1511299b4
hexbb6fab

12283819 has 2 divisors, whose sum is σ = 12283820. Its totient is φ = 12283818.

The previous prime is 12283813. The next prime is 12283841. The reversal of 12283819 is 91838221.

It is a weak prime.

It is an emirp because it is prime and its reverse (91838221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12283819 - 23 = 12283811 is a prime.

It is a super-2 number, since 2×122838192 = 301784418449522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12283811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6141909 + 6141910.

It is an arithmetic number, because the mean of its divisors is an integer number (6141910).

Almost surely, 212283819 is an apocalyptic number.

12283819 is a deficient number, since it is larger than the sum of its proper divisors (1).

12283819 is an equidigital number, since it uses as much as digits as its factorization.

12283819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 12283819 is about 3504.8279558346. The cubic root of 12283819 is about 230.7337562080.

The spelling of 12283819 in words is "twelve million, two hundred eighty-three thousand, eight hundred nineteen".