18414312 has 32 divisors (see below), whose sum is σ = 52612800. Its totient is φ = 5261184.

The previous prime is 18414301. The next prime is 18414317. The reversal of 18414312 is 21341481.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (18414317) 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 7 ways as a sum of consecutive naturals, for example, 54637 + ... + 54972.

It is an arithmetic number, because the mean of its divisors is an integer number (1644150).

Almost surely, 2^18414312 is an apocalyptic number.

18414312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18414312 is an abundant number, since it is smaller than the sum of its proper divisors (34198488).

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

18414312 is a wasteful number, since it uses less digits than its factorization.

18414312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109625 (or 109621 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 18414312 is about 4291.1900447312. The cubic root of 18414312 is about 264.0696556328.

Adding to 18414312 its reverse (21341481), we get a palindrome (39755793).

The spelling of 18414312 in words is "eighteen million, four hundred fourteen thousand, three hundred twelve".