18714028 has 12 divisors (see below), whose sum is σ = 32875920. Its totient is φ = 9320912.

The previous prime is 18714023. The next prime is 18714041. The reversal of 18714028 is 82041781.

It is not an unprimeable number, because it can be changed into a prime (18714023) by changing a digit.

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, 7843 + ... + 9946.

It is an arithmetic number, because the mean of its divisors is an integer number (2739660).

Almost surely, 2^18714028 is an apocalyptic number.

It is an amenable number.

18714028 is a deficient number, since it is larger than the sum of its proper divisors (14161892).

18714028 is a wasteful number, since it uses less digits than its factorization.

18714028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18056 (or 18054 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 18714028 is about 4325.9713360123. The cubic root of 18714028 is about 265.4946404036.

The spelling of 18714028 in words is "eighteen million, seven hundred fourteen thousand, twenty-eight".