18326112 has 48 divisors (see below), whose sum is σ = 54980352. Its totient is φ = 5235840.

The previous prime is 18326083. The next prime is 18326117. The reversal of 18326112 is 21162381.

It is a tau number, because it is divible by the number of its divisors (48).

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18326117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12964 + ... + 14307.

It is an arithmetic number, because the mean of its divisors is an integer number (1145424).

Almost surely, 2^18326112 is an apocalyptic number.

18326112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18326112 is an abundant number, since it is smaller than the sum of its proper divisors (36654240).

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

18326112 is a wasteful number, since it uses less digits than its factorization.

18326112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27291 (or 27283 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 18326112 is about 4280.9008397766. The cubic root of 18326112 is about 263.6473712552.

Adding to 18326112 its reverse (21162381), we get a palindrome (39488493).

The spelling of 18326112 in words is "eighteen million, three hundred twenty-six thousand, one hundred twelve".