18612082 has 8 divisors (see below), whose sum is σ = 28311552. Its totient is φ = 9174900.

The previous prime is 18612079. The next prime is 18612089. The reversal of 18612082 is 28021681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 18612082.

It is not an unprimeable number, because it can be changed into a prime (18612089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65394 + ... + 65677.

It is an arithmetic number, because the mean of its divisors is an integer number (3538944).

Almost surely, 2^18612082 is an apocalyptic number.

18612082 is a deficient number, since it is larger than the sum of its proper divisors (9699470).

18612082 is a wasteful number, since it uses less digits than its factorization.

18612082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131144.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 18612082 is about 4314.1722265111. The cubic root of 18612082 is about 265.0116620001.

The spelling of 18612082 in words is "eighteen million, six hundred twelve thousand, eighty-two".