12587149 has 8 divisors (see below), whose sum is σ = 12850560. Its totient is φ = 12326496.

The previous prime is 12587143. The next prime is 12587153. The reversal of 12587149 is 94178521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12587149 - 2¹⁹ = 12062861 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 (12587143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10242 + ... + 11404.

It is an arithmetic number, because the mean of its divisors is an integer number (1606320).

Almost surely, 2^12587149 is an apocalyptic number.

It is an amenable number.

12587149 is a deficient number, since it is larger than the sum of its proper divisors (263411).

12587149 is a wasteful number, since it uses less digits than its factorization.

12587149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its digits is 20160, while the sum is 37.

The square root of 12587149 is about 3547.8372285098. The cubic root of 12587149 is about 232.6175395200.

The spelling of 12587149 in words is "twelve million, five hundred eighty-seven thousand, one hundred forty-nine".