12326418 has 48 divisors (see below), whose sum is σ = 29842176. Its totient is φ = 3790800.

The previous prime is 12326417. The next prime is 12326441. The reversal of 12326418 is 81462321.

12326418 is a `hidden beast` number, since 12 + 3 + 2 + 641 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12326391 and 12326400.

It is not an unprimeable number, because it can be changed into a prime (12326417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5343 + ... + 7293.

It is an arithmetic number, because the mean of its divisors is an integer number (621712).

Almost surely, 2^12326418 is an apocalyptic number.

12326418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12326418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14921088).

12326418 is an abundant number, since it is smaller than the sum of its proper divisors (17515758).

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

12326418 is a wasteful number, since it uses less digits than its factorization.

12326418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981 (or 1969 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 12326418 is about 3510.8998846450. The cubic root of 12326418 is about 231.0001686624. Note that the first 3 decimals are identical.

Subtracting from 12326418 its sum of digits (27), we obtain a cube (12326391 = 231³).

Adding to 12326418 its reverse (81462321), we get a palindrome (93788739).

The spelling of 12326418 in words is "twelve million, three hundred twenty-six thousand, four hundred eighteen".