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12243743 is a prime number
BaseRepresentation
bin101110101101…
…001100011111
3212001001020222
4232231030133
511113244433
61114231555
7206033021
oct56551437
925031228
1012243743
116a029a6
1241255bb
1326c8c25
1418aa011
15111cb98
hexbad31f

12243743 has 2 divisors, whose sum is σ = 12243744. Its totient is φ = 12243742.

The previous prime is 12243709. The next prime is 12243773. The reversal of 12243743 is 34734221.

It is a strong prime.

It is an emirp because it is prime and its reverse (34734221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12243743 - 210 = 12242719 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12243773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121871 + 6121872.

It is an arithmetic number, because the mean of its divisors is an integer number (6121872).

Almost surely, 212243743 is an apocalyptic number.

12243743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12243743 is an equidigital number, since it uses as much as digits as its factorization.

12243743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 26.

The square root of 12243743 is about 3499.1060286879. The cubic root of 12243743 is about 230.4825596195.

Adding to 12243743 its reverse (34734221), we get a palindrome (46977964).

The spelling of 12243743 in words is "twelve million, two hundred forty-three thousand, seven hundred forty-three".