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12424057 is a prime number
BaseRepresentation
bin101111011001…
…001101111001
3212101012121021
4233121031321
511140032212
61122142441
7210413512
oct57311571
925335537
1012424057
117016418
1241b1a21
132760019
141915a09
151156307
hexbd9379

12424057 has 2 divisors, whose sum is σ = 12424058. Its totient is φ = 12424056.

The previous prime is 12424039. The next prime is 12424063. The reversal of 12424057 is 75042421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10361961 + 2062096 = 3219^2 + 1436^2 .

It is an emirp because it is prime and its reverse (75042421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12424057 - 211 = 12422009 is a prime.

It is not a weakly prime, because it can be changed into another prime (12424007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212028 + 6212029.

It is an arithmetic number, because the mean of its divisors is an integer number (6212029).

Almost surely, 212424057 is an apocalyptic number.

It is an amenable number.

12424057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12424057 is an equidigital number, since it uses as much as digits as its factorization.

12424057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 12424057 is about 3524.7775816355. Note that the first 3 decimals coincide. The cubic root of 12424057 is about 231.6084917386.

Adding to 12424057 its reverse (75042421), we get a palindrome (87466478).

The spelling of 12424057 in words is "twelve million, four hundred twenty-four thousand, fifty-seven".