12017240 has 16 divisors (see below), whose sum is σ = 27038880. Its totient is φ = 4806880.

The previous prime is 12017237. The next prime is 12017263. The reversal of 12017240 is 4271021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150176 + ... + 150255.

It is an arithmetic number, because the mean of its divisors is an integer number (1689930).

Almost surely, 2^12017240 is an apocalyptic number.

12017240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12017240 is an abundant number, since it is smaller than the sum of its proper divisors (15021640).

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

12017240 is a wasteful number, since it uses less digits than its factorization.

12017240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300442 (or 300438 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12017240 is about 3466.5891016964. The cubic root of 12017240 is about 229.0524342344.

Adding to 12017240 its reverse (4271021), we get a palindrome (16288261).

The spelling of 12017240 in words is "twelve million, seventeen thousand, two hundred forty".