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12305413 is a prime number
BaseRepresentation
bin101110111100…
…010000000101
3212011011212001
4232330100011
511122233123
61115425301
7206410561
oct56742005
925134761
1012305413
116a4526a
124155231
13271b013
1418c46a1
1511310ad
hexbbc405

12305413 has 2 divisors, whose sum is σ = 12305414. Its totient is φ = 12305412.

The previous prime is 12305401. The next prime is 12305431. The reversal of 12305413 is 31450321.

Together with next prime (12305431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10870209 + 1435204 = 3297^2 + 1198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12305413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12305113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152706 + 6152707.

It is an arithmetic number, because the mean of its divisors is an integer number (6152707).

Almost surely, 212305413 is an apocalyptic number.

It is an amenable number.

12305413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12305413 is an equidigital number, since it uses as much as digits as its factorization.

12305413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12305413 is about 3507.9072108595. The cubic root of 12305413 is about 230.8688810684.

Adding to 12305413 its reverse (31450321), we get a palindrome (43755734).

The spelling of 12305413 in words is "twelve million, three hundred five thousand, four hundred thirteen".