12248149 has 2 divisors, whose sum is σ = 12248150. Its totient is φ = 12248148.

The previous prime is 12248123. The next prime is 12248191. The reversal of 12248149 is 94184221.

12248149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12215025 + 33124 = 3495^2 + 182^2 .

It is an emirp because it is prime and its reverse (94184221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12248149 - 2⁷ = 12248021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12248149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12048149) 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, 6124074 + 6124075.

It is an arithmetic number, because the mean of its divisors is an integer number (6124075).

Almost surely, 2^12248149 is an apocalyptic number.

It is an amenable number.

12248149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12248149 is an equidigital number, since it uses as much as digits as its factorization.

12248149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The square root of 12248149 is about 3499.7355614389. The cubic root of 12248149 is about 230.5102032459.

The spelling of 12248149 in words is "twelve million, two hundred forty-eight thousand, one hundred forty-nine".