18814212 has 36 divisors (see below), whose sum is σ = 47698560. Its totient is φ = 6252912.

The previous prime is 18814193. The next prime is 18814247. The reversal of 18814212 is 21241881.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17589 + ... + 18627.

It is an arithmetic number, because the mean of its divisors is an integer number (1324960).

Almost surely, 2^18814212 is an apocalyptic number.

18814212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18814212 is an abundant number, since it is smaller than the sum of its proper divisors (28884348).

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

18814212 is a wasteful number, since it uses less digits than its factorization.

18814212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552 (or 1547 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 18814212 is about 4337.5352448136. The cubic root of 18814212 is about 265.9675653444.

It can be divided in two parts, 188 and 14212, that added together give a square (14400 = 120²).

The spelling of 18814212 in words is "eighteen million, eight hundred fourteen thousand, two hundred twelve".