12302240 has 48 divisors (see below), whose sum is σ = 30336768. Its totient is φ = 4705536.

The previous prime is 12302233. The next prime is 12302243. The reversal of 12302240 is 4220321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302243) 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, 2009 + ... + 5351.

It is an arithmetic number, because the mean of its divisors is an integer number (632016).

Almost surely, 2^12302240 is an apocalyptic number.

12302240 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 12302240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15168384).

12302240 is an abundant number, since it is smaller than the sum of its proper divisors (18034528).

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

12302240 is a wasteful number, since it uses less digits than its factorization.

12302240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381 (or 3373 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12302240 is about 3507.4549177431. The cubic root of 12302240 is about 230.8490358742.

Adding to 12302240 its reverse (4220321), we get a palindrome (16522561).

The spelling of 12302240 in words is "twelve million, three hundred two thousand, two hundred forty".