12568149 has 24 divisors (see below), whose sum is σ = 20471360. Its totient is φ = 7615080.

The previous prime is 12568147. The next prime is 12568159. The reversal of 12568149 is 94186521.

It is not a de Polignac number, because 12568149 - 2¹ = 12568147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12568141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1344 + ... + 5190.

Almost surely, 2^12568149 is an apocalyptic number.

It is an amenable number.

12568149 is a deficient number, since it is larger than the sum of its proper divisors (7903211).

12568149 is a wasteful number, since it uses less digits than its factorization.

12568149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878 (or 3861 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 12568149 is about 3545.1585296006. The cubic root of 12568149 is about 232.5004370439.

The spelling of 12568149 in words is "twelve million, five hundred sixty-eight thousand, one hundred forty-nine".