12504443 has 8 divisors (see below), whose sum is σ = 14623488. Its totient is φ = 10468584.

The previous prime is 12504431. The next prime is 12504473. The reversal of 12504443 is 34440521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12504443 - 2⁶ = 12504379 is a prime.

It is a super-2 number, since 2×12504443² = 312722189480498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12504473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20471 + ... + 21072.

It is an arithmetic number, because the mean of its divisors is an integer number (1827936).

Almost surely, 2^12504443 is an apocalyptic number.

12504443 is a deficient number, since it is larger than the sum of its proper divisors (2119045).

12504443 is an equidigital number, since it uses as much as digits as its factorization.

12504443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41593.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 12504443 is about 3536.1621851946. The cubic root of 12504443 is about 232.1069351957.

Adding to 12504443 its reverse (34440521), we get a palindrome (46944964).

The spelling of 12504443 in words is "twelve million, five hundred four thousand, four hundred forty-three".