18414812 has 48 divisors (see below), whose sum is σ = 36832320. Its totient is φ = 7991808.

The previous prime is 18414811. The next prime is 18414827. The reversal of 18414812 is 21841481.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18414811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106358 + ... + 106530.

It is an arithmetic number, because the mean of its divisors is an integer number (767340).

Almost surely, 2^18414812 is an apocalyptic number.

It is an amenable number.

18414812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

18414812 is a wasteful number, since it uses less digits than its factorization.

18414812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 300 counting only the distinct ones).

The product of its digits is 2048, while the sum is 29.

The square root of 18414812 is about 4291.2483032330. The cubic root of 18414812 is about 264.0720456874.

The spelling of 18414812 in words is "eighteen million, four hundred fourteen thousand, eight hundred twelve".