12452550 has 48 divisors (see below), whose sum is σ = 33694272. Its totient is φ = 3018400.

The previous prime is 12452537. The next prime is 12452621. The reversal of 12452550 is 5525421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12452550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2124 + ... + 5423.

It is an arithmetic number, because the mean of its divisors is an integer number (701964).

Almost surely, 2^12452550 is an apocalyptic number.

12452550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12452550 is an abundant number, since it is smaller than the sum of its proper divisors (21241722).

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

12452550 is a wasteful number, since it uses less digits than its factorization.

12452550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7573 (or 7568 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 12452550 is about 3528.8170822529. The cubic root of 12452550 is about 231.7854114664.

Adding to 12452550 its reverse (5525421), we get a palindrome (17977971).

The spelling of 12452550 in words is "twelve million, four hundred fifty-two thousand, five hundred fifty".