12543353 has 2 divisors, whose sum is σ = 12543354. Its totient is φ = 12543352.

The previous prime is 12543347. The next prime is 12543367. The reversal of 12543353 is 35334521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9168784 + 3374569 = 3028^2 + 1837^2 .

It is an emirp because it is prime and its reverse (35334521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12543353 - 2⁴ = 12543337 is a prime.

It is not a weakly prime, because it can be changed into another prime (12543053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6271676 + 6271677.

It is an arithmetic number, because the mean of its divisors is an integer number (6271677).

Almost surely, 2^12543353 is an apocalyptic number.

It is an amenable number.

12543353 is a deficient number, since it is larger than the sum of its proper divisors (1).

12543353 is an equidigital number, since it uses as much as digits as its factorization.

12543353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 26.

The square root of 12543353 is about 3541.6596392087. The cubic root of 12543353 is about 232.3474344988.

Adding to 12543353 its reverse (35334521), we get a palindrome (47877874).

The spelling of 12543353 in words is "twelve million, five hundred forty-three thousand, three hundred fifty-three".