12503324 has 6 divisors (see below), whose sum is σ = 21880824. Its totient is φ = 6251660.

The previous prime is 12503317. The next prime is 12503327. The reversal of 12503324 is 42330521.

It is a happy number.

It is a super-2 number, since 2×12503324² = 312666222097952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12503296 and 12503305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12503327) by changing a digit.

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 as a sum of consecutive naturals, namely, 1562912 + ... + 1562919.

It is an arithmetic number, because the mean of its divisors is an integer number (3646804).

Almost surely, 2^12503324 is an apocalyptic number.

It is an amenable number.

12503324 is a deficient number, since it is larger than the sum of its proper divisors (9377500).

12503324 is a wasteful number, since it uses less digits than its factorization.

12503324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125835 (or 3125833 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 12503324 is about 3536.0039592738. The cubic root of 12503324 is about 232.1000113792.

Adding to 12503324 its reverse (42330521), we get a palindrome (54833845).

The spelling of 12503324 in words is "twelve million, five hundred three thousand, three hundred twenty-four".