12331504 has 20 divisors (see below), whose sum is σ = 23973664. Its totient is φ = 6144768.

The previous prime is 12331499. The next prime is 12331537. The reversal of 12331504 is 40513321.

12331504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4249 + ... + 6535.

Almost surely, 2^12331504 is an apocalyptic number.

It is an amenable number.

12331504 is a deficient number, since it is larger than the sum of its proper divisors (11642160).

12331504 is a wasteful number, since it uses less digits than its factorization.

12331504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632 (or 2626 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12331504 is about 3511.6241256718. The cubic root of 12331504 is about 231.0319352661.

Adding to 12331504 its reverse (40513321), we get a palindrome (52844825).

The spelling of 12331504 in words is "twelve million, three hundred thirty-one thousand, five hundred four".