18677012 has 12 divisors (see below), whose sum is σ = 34106016. Its totient is φ = 8932440.

The previous prime is 18676993. The next prime is 18677051. The reversal of 18677012 is 21077681.

It is a self number, because there is not a number n which added to its sum of digits gives 18677012.

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, 101414 + ... + 101597.

It is an arithmetic number, because the mean of its divisors is an integer number (2842168).

Almost surely, 2^18677012 is an apocalyptic number.

It is an amenable number.

18677012 is a deficient number, since it is larger than the sum of its proper divisors (15429004).

18677012 is a wasteful number, since it uses less digits than its factorization.

18677012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203038 (or 203036 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 18677012 is about 4321.6908727950. The cubic root of 18677012 is about 265.3194770393.

The spelling of 18677012 in words is "eighteen million, six hundred seventy-seven thousand, twelve".