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12283421 is a prime number
BaseRepresentation
bin101110110110…
…111000011101
3212010001200112
4232312320131
511121032141
61115135405
7206256503
oct56667035
925101615
1012283421
116a2a797
124144565
132710cc7
1418ba673
1511297eb
hexbb6e1d

12283421 has 2 divisors, whose sum is σ = 12283422. Its totient is φ = 12283420.

The previous prime is 12283417. The next prime is 12283429. The reversal of 12283421 is 12438221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8916196 + 3367225 = 2986^2 + 1835^2 .

It is a cyclic number.

It is not a de Polignac number, because 12283421 - 22 = 12283417 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12283429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6141710 + 6141711.

It is an arithmetic number, because the mean of its divisors is an integer number (6141711).

Almost surely, 212283421 is an apocalyptic number.

It is an amenable number.

12283421 is a deficient number, since it is larger than the sum of its proper divisors (1).

12283421 is an equidigital number, since it uses as much as digits as its factorization.

12283421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

The square root of 12283421 is about 3504.7711765535. The cubic root of 12283421 is about 230.7312642298.

The spelling of 12283421 in words is "twelve million, two hundred eighty-three thousand, four hundred twenty-one".