12504450 has 48 divisors (see below), whose sum is σ = 35444160. Its totient is φ = 2857920.

The previous prime is 12504431. The next prime is 12504473. The reversal of 12504450 is 5440521.

It is a super-2 number, since 2×12504450² = 312722539605000, which contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4905 + ... + 7004.

It is an arithmetic number, because the mean of its divisors is an integer number (738420).

Almost surely, 2^12504450 is an apocalyptic number.

12504450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12504450 is an abundant number, since it is smaller than the sum of its proper divisors (22939710).

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

12504450 is a wasteful number, since it uses less digits than its factorization.

12504450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931 (or 11926 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 12504450 is about 3536.1631749680. The cubic root of 12504450 is about 232.1069785069.

Adding to 12504450 its reverse (5440521), we get a palindrome (17944971).

The spelling of 12504450 in words is "twelve million, five hundred four thousand, four hundred fifty".