12245340 has 48 divisors (see below), whose sum is σ = 34578432. Its totient is φ = 3237696.

The previous prime is 12245297. The next prime is 12245351. The reversal of 12245340 is 4354221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6817 + ... + 8423.

It is an arithmetic number, because the mean of its divisors is an integer number (720384).

Almost surely, 2^12245340 is an apocalyptic number.

12245340 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 12245340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17289216).

12245340 is an abundant number, since it is smaller than the sum of its proper divisors (22333092).

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

12245340 is a wasteful number, since it uses less digits than its factorization.

12245340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746 (or 1744 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 12245340 is about 3499.3342223915. The cubic root of 12245340 is about 230.4925801022.

Adding to 12245340 its reverse (4354221), we get a palindrome (16599561).

The spelling of 12245340 in words is "twelve million, two hundred forty-five thousand, three hundred forty".