12999241 has 2 divisors, whose sum is σ = 12999242. Its totient is φ = 12999240.

The previous prime is 12999223. The next prime is 12999253. The reversal of 12999241 is 14299921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10374841 + 2624400 = 3221^2 + 1620^2 .

It is a cyclic number.

It is not a de Polignac number, because 12999241 - 2¹³ = 12991049 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12999241.

It is not a weakly prime, because it can be changed into another prime (12999641) 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, 6499620 + 6499621.

It is an arithmetic number, because the mean of its divisors is an integer number (6499621).

Almost surely, 2^12999241 is an apocalyptic number.

It is an amenable number.

12999241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12999241 is an equidigital number, since it uses as much as digits as its factorization.

12999241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 37.

The square root of 12999241 is about 3605.4460195654. The cubic root of 12999241 is about 235.1288926240.

The spelling of 12999241 in words is "twelve million, nine hundred ninety-nine thousand, two hundred forty-one".