12673447 has 2 divisors, whose sum is σ = 12673448. Its totient is φ = 12673446.

The previous prime is 12673403. The next prime is 12673471. The reversal of 12673447 is 74437621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12673447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12673847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6336723 + 6336724.

It is an arithmetic number, because the mean of its divisors is an integer number (6336724).

Almost surely, 2^12673447 is an apocalyptic number.

12673447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12673447 is an equidigital number, since it uses as much as digits as its factorization.

12673447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 34.

The square root of 12673447 is about 3559.9785111711. The cubic root of 12673447 is about 233.1479409462.

The spelling of 12673447 in words is "twelve million, six hundred seventy-three thousand, four hundred forty-seven".