12199149 has 24 divisors (see below), whose sum is σ = 18937152. Its totient is φ = 7539840.

The previous prime is 12199147. The next prime is 12199157. The reversal of 12199149 is 94199121.

12199149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12199149 - 2¹ = 12199147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12199147) 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 in 23 ways as a sum of consecutive naturals, for example, 10302 + ... + 11424.

It is an arithmetic number, because the mean of its divisors is an integer number (789048).

Almost surely, 2^12199149 is an apocalyptic number.

It is an amenable number.

12199149 is a deficient number, since it is larger than the sum of its proper divisors (6738003).

12199149 is a wasteful number, since it uses less digits than its factorization.

12199149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1214 counting only the distinct ones).

The product of its digits is 5832, while the sum is 36.

The square root of 12199149 is about 3492.7280168945. The cubic root of 12199149 is about 230.2023990271.

The spelling of 12199149 in words is "twelve million, one hundred ninety-nine thousand, one hundred forty-nine".