18853712 has 40 divisors (see below), whose sum is σ = 38167200. Its totient is φ = 9011072.

The previous prime is 18853691. The next prime is 18853729. The reversal of 18853712 is 21735881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82943 + ... + 83169.

It is an arithmetic number, because the mean of its divisors is an integer number (954180).

Almost surely, 2^18853712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18853712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19083600).

18853712 is an abundant number, since it is smaller than the sum of its proper divisors (19313488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18853712 is a wasteful number, since it uses less digits than its factorization.

18853712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 437 counting only the distinct ones).

The product of its digits is 13440, while the sum is 35.

The square root of 18853712 is about 4342.0861345671. The cubic root of 18853712 is about 266.1535661404.

The spelling of 18853712 in words is "eighteen million, eight hundred fifty-three thousand, seven hundred twelve".