12541849 has 2 divisors, whose sum is σ = 12541850. Its totient is φ = 12541848.

The previous prime is 12541829. The next prime is 12541861. The reversal of 12541849 is 94814521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12355225 + 186624 = 3515^2 + 432^2 .

It is an emirp because it is prime and its reverse (94814521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12541849 - 2⁵ = 12541817 is a prime.

It is not a weakly prime, because it can be changed into another prime (12541819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6270924 + 6270925.

It is an arithmetic number, because the mean of its divisors is an integer number (6270925).

Almost surely, 2^12541849 is an apocalyptic number.

It is an amenable number.

12541849 is a deficient number, since it is larger than the sum of its proper divisors (1).

12541849 is an equidigital number, since it uses as much as digits as its factorization.

12541849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 34.

The square root of 12541849 is about 3541.4473030105. The cubic root of 12541849 is about 232.3381476542.

The spelling of 12541849 in words is "twelve million, five hundred forty-one thousand, eight hundred forty-nine".