12301240 has 32 divisors (see below), whose sum is σ = 31632480. Its totient is φ = 4217472.

The previous prime is 12301231. The next prime is 12301243. The reversal of 12301240 is 4210321.

It is a self number, because there is not a number n which added to its sum of digits gives 12301240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21687 + ... + 22246.

It is an arithmetic number, because the mean of its divisors is an integer number (988515).

Almost surely, 2^12301240 is an apocalyptic number.

12301240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12301240 is an abundant number, since it is smaller than the sum of its proper divisors (19331240).

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

12301240 is a wasteful number, since it uses less digits than its factorization.

12301240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43951 (or 43947 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12301240 is about 3507.3123613388. The cubic root of 12301240 is about 230.8427807724.

Adding to 12301240 its reverse (4210321), we get a palindrome (16511561).

The spelling of 12301240 in words is "twelve million, three hundred one thousand, two hundred forty".