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12447353 is a prime number
BaseRepresentation
bin101111011110…
…111001111001
3212102101120002
4233132321321
511141303403
61122442345
7210541442
oct57367171
925371502
1012447353
117031976
1242033b5
13276a7c9
1419202c9
15115d188
hexbdee79

12447353 has 2 divisors, whose sum is σ = 12447354. Its totient is φ = 12447352.

The previous prime is 12447343. The next prime is 12447361. The reversal of 12447353 is 35374421.

It is a happy number.

12447353 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10778089 + 1669264 = 3283^2 + 1292^2 .

It is an emirp because it is prime and its reverse (35374421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12447353 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12447343) 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, 6223676 + 6223677.

It is an arithmetic number, because the mean of its divisors is an integer number (6223677).

Almost surely, 212447353 is an apocalyptic number.

It is an amenable number.

12447353 is a deficient number, since it is larger than the sum of its proper divisors (1).

12447353 is an equidigital number, since it uses as much as digits as its factorization.

12447353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 12447353 is about 3528.0806396680. The cubic root of 12447353 is about 231.7531622110.

The spelling of 12447353 in words is "twelve million, four hundred forty-seven thousand, three hundred fifty-three".