18834612 has 12 divisors (see below), whose sum is σ = 43947456. Its totient is φ = 6278200.

The previous prime is 18834611. The next prime is 18834617. The reversal of 18834612 is 21643881.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18834611) 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, 784764 + ... + 784787.

It is an arithmetic number, because the mean of its divisors is an integer number (3662288).

Almost surely, 2^18834612 is an apocalyptic number.

18834612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18834612 is an abundant number, since it is smaller than the sum of its proper divisors (25112844).

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

18834612 is a wasteful number, since it uses less digits than its factorization.

18834612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569558 (or 1569556 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 18834612 is about 4339.8861736225. The cubic root of 18834612 is about 266.0636589871.

It can be divided in two parts, 188 and 34612, that multiplied together give a palindrome (6507056).

The spelling of 18834612 in words is "eighteen million, eight hundred thirty-four thousand, six hundred twelve".