12234240 has 200 divisors, whose sum is σ = 44561880. Its totient is φ = 3207168.

The previous prime is 12234239. The next prime is 12234281. The reversal of 12234240 is 4243221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 207331 + ... + 207389.

Almost surely, 2^12234240 is an apocalyptic number.

12234240 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 12234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22280940).

12234240 is an abundant number, since it is smaller than the sum of its proper divisors (32327640).

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

12234240 is an frugal number, since it uses more digits than its factorization.

12234240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12234240 is about 3497.7478468294. The cubic root of 12234240 is about 230.4229143876.

Adding to 12234240 its reverse (4243221), we get a palindrome (16477461).

The spelling of 12234240 in words is "twelve million, two hundred thirty-four thousand, two hundred forty".