12658241 has 2 divisors, whose sum is σ = 12658242. Its totient is φ = 12658240.

The previous prime is 12658231. The next prime is 12658259. The reversal of 12658241 is 14285621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11022400 + 1635841 = 3320^2 + 1279^2 .

It is a cyclic number.

It is not a de Polignac number, because 12658241 - 2¹⁰ = 12657217 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 (12658231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6329120 + 6329121.

It is an arithmetic number, because the mean of its divisors is an integer number (6329121).

Almost surely, 2^12658241 is an apocalyptic number.

It is an amenable number.

12658241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12658241 is an equidigital number, since it uses as much as digits as its factorization.

12658241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 12658241 is about 3557.8421831217. The cubic root of 12658241 is about 233.0546575525.

The spelling of 12658241 in words is "twelve million, six hundred fifty-eight thousand, two hundred forty-one".