12340524 has 48 divisors (see below), whose sum is σ = 33239808. Its totient is φ = 3490368.

The previous prime is 12340513. The next prime is 12340541. The reversal of 12340524 is 42504321.

12340524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12340524.

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, 8302 + ... + 9674.

It is an arithmetic number, because the mean of its divisors is an integer number (692496).

Almost surely, 2^12340524 is an apocalyptic number.

12340524 is a gapful number since it is divisible by the number (14) 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 12340524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16619904).

12340524 is an abundant number, since it is smaller than the sum of its proper divisors (20899284).

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

12340524 is a wasteful number, since it uses less digits than its factorization.

12340524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494 (or 1492 counting only the distinct ones).

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

The square root of 12340524 is about 3512.9081969217. The cubic root of 12340524 is about 231.0882517317.

Adding to 12340524 its reverse (42504321), we get a palindrome (54844845).

The spelling of 12340524 in words is "twelve million, three hundred forty thousand, five hundred twenty-four".