18812682 has 64 divisors (see below), whose sum is σ = 48234240. Its totient is φ = 5323968.

The previous prime is 18812671. The next prime is 18812683. The reversal of 18812682 is 28621881.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18812683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59188 + ... + 59504.

It is an arithmetic number, because the mean of its divisors is an integer number (753660).

Almost surely, 2^18812682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18812682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24117120).

18812682 is an abundant number, since it is smaller than the sum of its proper divisors (29421558).

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

18812682 is a wasteful number, since it uses less digits than its factorization.

18812682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 486 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 18812682 is about 4337.3588737848. The cubic root of 18812682 is about 265.9603555216.

The spelling of 18812682 in words is "eighteen million, eight hundred twelve thousand, six hundred eighty-two".