18283012 has 12 divisors (see below), whose sum is σ = 34904016. Its totient is φ = 8310440.

The previous prime is 18283009. The next prime is 18283019. The reversal of 18283012 is 21038281.

It is not an unprimeable number, because it can be changed into a prime (18283019) 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, 207718 + ... + 207805.

It is an arithmetic number, because the mean of its divisors is an integer number (2908668).

Almost surely, 2^18283012 is an apocalyptic number.

It is an amenable number.

18283012 is a deficient number, since it is larger than the sum of its proper divisors (16621004).

18283012 is a wasteful number, since it uses less digits than its factorization.

18283012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415538 (or 415536 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 18283012 is about 4275.8638893211. The cubic root of 18283012 is about 263.4405239347.

The spelling of 18283012 in words is "eighteen million, two hundred eighty-three thousand, twelve".