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12290567 is a prime number
BaseRepresentation
bin101110111000…
…101000000111
3212010102111012
4232320220013
511121244232
61115232435
7206316362
oct56705007
925112435
1012290567
116a350a3
12414871b
132714333
1418bd0d9
15112b9b2
hexbb8a07

12290567 has 2 divisors, whose sum is σ = 12290568. Its totient is φ = 12290566.

The previous prime is 12290521. The next prime is 12290569. The reversal of 12290567 is 76509221.

12290567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12290567 - 26 = 12290503 is a prime.

Together with 12290569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12290569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6145283 + 6145284.

It is an arithmetic number, because the mean of its divisors is an integer number (6145284).

Almost surely, 212290567 is an apocalyptic number.

12290567 is a deficient number, since it is larger than the sum of its proper divisors (1).

12290567 is an equidigital number, since it uses as much as digits as its factorization.

12290567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 12290567 is about 3505.7904957370. The cubic root of 12290567 is about 230.7759989439.

Adding to 12290567 its reverse (76509221), we get a palindrome (88799788).

The spelling of 12290567 in words is "twelve million, two hundred ninety thousand, five hundred sixty-seven".