18341012 has 12 divisors (see below), whose sum is σ = 32332020. Its totient is φ = 9103296.

The previous prime is 18340979. The next prime is 18341017. The reversal of 18341012 is 21014381.

It can be written as a sum of positive squares in 2 ways, for example, as 8317456 + 10023556 = 2884^2 + 3166^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18341017) 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, 16187 + ... + 17282.

It is an arithmetic number, because the mean of its divisors is an integer number (2694335).

Almost surely, 2^18341012 is an apocalyptic number.

It is an amenable number.

18341012 is a deficient number, since it is larger than the sum of its proper divisors (13991008).

18341012 is a wasteful number, since it uses less digits than its factorization.

18341012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33610 (or 33608 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 18341012 is about 4282.6407741019. The cubic root of 18341012 is about 263.7188045133.

Adding to 18341012 its reverse (21014381), we get a palindrome (39355393).

The spelling of 18341012 in words is "eighteen million, three hundred forty-one thousand, twelve".