18446612 has 12 divisors (see below), whose sum is σ = 33323136. Its totient is φ = 8925720.

The previous prime is 18446611. The next prime is 18446629. The reversal of 18446612 is 21664481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18446611) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 74258 + ... + 74505.

It is an arithmetic number, because the mean of its divisors is an integer number (2776928).

Almost surely, 2^18446612 is an apocalyptic number.

It is an amenable number.

18446612 is a deficient number, since it is larger than the sum of its proper divisors (14876524).

18446612 is a wasteful number, since it uses less digits than its factorization.

18446612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148798 (or 148796 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 18446612 is about 4294.9519205691. The cubic root of 18446612 is about 264.2239643691.

The spelling of 18446612 in words is "eighteen million, four hundred forty-six thousand, six hundred twelve".