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12430837 is a prime number
BaseRepresentation
bin101111011010…
…110111110101
3212101112220101
4233122313311
511140241322
61122234101
7210442336
oct57326765
925345811
1012430837
117020521
1241b5931
132763133
14191828d
151158327
hexbdadf5

12430837 has 2 divisors, whose sum is σ = 12430838. Its totient is φ = 12430836.

The previous prime is 12430829. The next prime is 12430849. The reversal of 12430837 is 73803421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6482116 + 5948721 = 2546^2 + 2439^2 .

It is an emirp because it is prime and its reverse (73803421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12430837 - 23 = 12430829 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 (12430337) 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, 6215418 + 6215419.

It is an arithmetic number, because the mean of its divisors is an integer number (6215419).

Almost surely, 212430837 is an apocalyptic number.

It is an amenable number.

12430837 is a deficient number, since it is larger than the sum of its proper divisors (1).

12430837 is an equidigital number, since it uses as much as digits as its factorization.

12430837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 12430837 is about 3525.7392132715. The cubic root of 12430837 is about 231.6506148555.

The spelling of 12430837 in words is "twelve million, four hundred thirty thousand, eight hundred thirty-seven".