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12290833 is a prime number
BaseRepresentation
bin101110111000…
…101100010001
3212010102212001
4232320230101
511121301313
61115234001
7206320222
oct56705421
925112761
1012290833
116a35315
124148901
1327144a9
1418bd249
15112badd
hexbb8b11

12290833 has 2 divisors, whose sum is σ = 12290834. Its totient is φ = 12290832.

The previous prime is 12290801. The next prime is 12290843. The reversal of 12290833 is 33809221.

12290833 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7551504 + 4739329 = 2748^2 + 2177^2 .

It is a cyclic number.

It is not a de Polignac number, because 12290833 - 25 = 12290801 is a prime.

It is equal to p805861 and since 12290833 and 805861 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12290843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6145416 + 6145417.

It is an arithmetic number, because the mean of its divisors is an integer number (6145417).

Almost surely, 212290833 is an apocalyptic number.

It is an amenable number.

12290833 is a deficient number, since it is larger than the sum of its proper divisors (1).

12290833 is an equidigital number, since it uses as much as digits as its factorization.

12290833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12290833 is about 3505.8284327674. The cubic root of 12290833 is about 230.7776637972. Note that the first 3 decimals are identical.

The spelling of 12290833 in words is "twelve million, two hundred ninety thousand, eight hundred thirty-three".