12326240 has 48 divisors (see below), whose sum is σ = 29846880. Its totient is φ = 4807680.

The previous prime is 12326219. The next prime is 12326257. The reversal of 12326240 is 4262321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5621 + ... + 7499.

It is an arithmetic number, because the mean of its divisors is an integer number (621810).

Almost surely, 2^12326240 is an apocalyptic number.

12326240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12326240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14923440).

12326240 is an abundant number, since it is smaller than the sum of its proper divisors (17520640).

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

12326240 is a wasteful number, since it uses less digits than its factorization.

12326240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935 (or 1927 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 12326240 is about 3510.8745349272. The cubic root of 12326240 is about 230.9990567355. Note that the first 3 decimals are identical.

Adding to 12326240 its reverse (4262321), we get a palindrome (16588561).

The spelling of 12326240 in words is "twelve million, three hundred twenty-six thousand, two hundred forty".