12748343 has 2 divisors, whose sum is σ = 12748344. Its totient is φ = 12748342.

The previous prime is 12748289. The next prime is 12748357. The reversal of 12748343 is 34384721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12748343 - 2¹² = 12744247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12748363) 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, 6374171 + 6374172.

It is an arithmetic number, because the mean of its divisors is an integer number (6374172).

Almost surely, 2^12748343 is an apocalyptic number.

12748343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12748343 is an equidigital number, since it uses as much as digits as its factorization.

12748343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 12748343 is about 3570.4821803224. The cubic root of 12748343 is about 233.6063156542.

The spelling of 12748343 in words is "twelve million, seven hundred forty-eight thousand, three hundred forty-three".