18480212 has 12 divisors (see below), whose sum is σ = 33028800. Its totient is φ = 9043416.

The previous prime is 18480211. The next prime is 18480229. The reversal of 18480212 is 21208481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18480211) 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, 48962 + ... + 49337.

It is an arithmetic number, because the mean of its divisors is an integer number (2752400).

Almost surely, 2^18480212 is an apocalyptic number.

It is an amenable number.

18480212 is a deficient number, since it is larger than the sum of its proper divisors (14548588).

18480212 is a wasteful number, since it uses less digits than its factorization.

18480212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98350 (or 98348 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 18480212 is about 4298.8617098018. The cubic root of 18480212 is about 264.3842926425.

Adding to 18480212 its reverse (21208481), we get a palindrome (39688693).

The spelling of 18480212 in words is "eighteen million, four hundred eighty thousand, two hundred twelve".