12007240 has 128 divisors (see below), whose sum is σ = 33926400. Its totient is φ = 3732480.

The previous prime is 12007223. The next prime is 12007291. The reversal of 12007240 is 4270021.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 196810 + ... + 196870.

It is an arithmetic number, because the mean of its divisors is an integer number (265050).

Almost surely, 2^12007240 is an apocalyptic number.

12007240 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 12007240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16963200).

12007240 is an abundant number, since it is smaller than the sum of its proper divisors (21919160).

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

12007240 is a wasteful number, since it uses less digits than its factorization.

12007240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 12007240 is about 3465.1464615511. The cubic root of 12007240 is about 228.9888822047.

Adding to 12007240 its reverse (4270021), we get a palindrome (16277261).

The spelling of 12007240 in words is "twelve million, seven thousand, two hundred forty".