12985586 has 16 divisors (see below), whose sum is σ = 20756736. Its totient is φ = 6071616.

The previous prime is 12985549. The next prime is 12985597. The reversal of 12985586 is 68558921.

It is a super-3 number, since 3×12985586³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4535 + ... + 6821.

It is an arithmetic number, because the mean of its divisors is an integer number (1297296).

Almost surely, 2^12985586 is an apocalyptic number.

12985586 is a deficient number, since it is larger than the sum of its proper divisors (7771150).

12985586 is a wasteful number, since it uses less digits than its factorization.

12985586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473.

The product of its digits is 172800, while the sum is 44.

The square root of 12985586 is about 3603.5518589303. The cubic root of 12985586 is about 235.0465337154.

The spelling of 12985586 in words is "twelve million, nine hundred eighty-five thousand, five hundred eighty-six".