18586012 has 12 divisors (see below), whose sum is σ = 32573016. Its totient is φ = 9279440.

The previous prime is 18585991. The next prime is 18586033. The reversal of 18586012 is 21068581.

It is an interprime number because it is at equal distance from previous prime (18585991) and next prime (18586033).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 87 + ... + 6097.

It is an arithmetic number, because the mean of its divisors is an integer number (2714418).

Almost surely, 2^18586012 is an apocalyptic number.

It is an amenable number.

18586012 is a deficient number, since it is larger than the sum of its proper divisors (13987004).

18586012 is a wasteful number, since it uses less digits than its factorization.

18586012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6788 (or 6786 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 18586012 is about 4311.1497306403. The cubic root of 18586012 is about 264.8878699692.

The spelling of 18586012 in words is "eighteen million, five hundred eighty-six thousand, twelve".