12149586 has 12 divisors (see below), whose sum is σ = 26324142. Its totient is φ = 4049856.

The previous prime is 12149567. The next prime is 12149587. The reversal of 12149586 is 68594121.

12149586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8520561 + 3629025 = 2919^2 + 1905^2 .

It is a super-2 number, since 2×12149586² = 295224879942792, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12149586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12149587) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 337471 + ... + 337506.

Almost surely, 2^12149586 is an apocalyptic number.

12149586 is an abundant number, since it is smaller than the sum of its proper divisors (14174556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12149586 is a wasteful number, since it uses less digits than its factorization.

12149586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674985 (or 674982 counting only the distinct ones).

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

The square root of 12149586 is about 3485.6256253361. The cubic root of 12149586 is about 229.8902185600.

The spelling of 12149586 in words is "twelve million, one hundred forty-nine thousand, five hundred eighty-six".