12613241 has 2 divisors, whose sum is σ = 12613242. Its totient is φ = 12613240.

The previous prime is 12613229. The next prime is 12613243. The reversal of 12613241 is 14231621.

12613241 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9985600 + 2627641 = 3160^2 + 1621^2 .

It is an emirp because it is prime and its reverse (14231621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12613241 - 2¹⁰ = 12612217 is a prime.

It is a Sophie Germain prime.

Together with 12613243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12613243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6306620 + 6306621.

It is an arithmetic number, because the mean of its divisors is an integer number (6306621).

Almost surely, 2^12613241 is an apocalyptic number.

It is an amenable number.

12613241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12613241 is an equidigital number, since it uses as much as digits as its factorization.

12613241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 12613241 is about 3551.5124946986. The cubic root of 12613241 is about 232.7781601619.

Adding to 12613241 its reverse (14231621), we get a palindrome (26844862).

The spelling of 12613241 in words is "twelve million, six hundred thirteen thousand, two hundred forty-one".