12789241 has 2 divisors, whose sum is σ = 12789242. Its totient is φ = 12789240.

The previous prime is 12789233. The next prime is 12789263. The reversal of 12789241 is 14298721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12278016 + 511225 = 3504^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 12789241 - 2³ = 12789233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12789197 and 12789206.

It is not a weakly prime, because it can be changed into another prime (12789341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6394620 + 6394621.

It is an arithmetic number, because the mean of its divisors is an integer number (6394621).

Almost surely, 2^12789241 is an apocalyptic number.

It is an amenable number.

12789241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12789241 is an equidigital number, since it uses as much as digits as its factorization.

12789241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 34.

The square root of 12789241 is about 3576.2048319413. The cubic root of 12789241 is about 233.8558600459.

The spelling of 12789241 in words is "twelve million, seven hundred eighty-nine thousand, two hundred forty-one".