12297340 has 24 divisors (see below), whose sum is σ = 28172592. Its totient is φ = 4471680.

The previous prime is 12297323. The next prime is 12297349. The reversal of 12297340 is 4379221.

It is a junction number, because it is equal to n+sod(n) for n = 12297299 and 12297308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12297349) 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, 27729 + ... + 28168.

It is an arithmetic number, because the mean of its divisors is an integer number (1173858).

Almost surely, 2^12297340 is an apocalyptic number.

12297340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12297340 is an abundant number, since it is smaller than the sum of its proper divisors (15875252).

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

12297340 is a wasteful number, since it uses less digits than its factorization.

12297340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55917 (or 55915 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 12297340 is about 3506.7563359891. The cubic root of 12297340 is about 230.8183826357.

The spelling of 12297340 in words is "twelve million, two hundred ninety-seven thousand, three hundred forty".