12390024 has 16 divisors (see below), whose sum is σ = 30975120. Its totient is φ = 4130000.

The previous prime is 12390019. The next prime is 12390029. The reversal of 12390024 is 42009321.

It is an interprime number because it is at equal distance from previous prime (12390019) and next prime (12390029).

It is not an unprimeable number, because it can be changed into a prime (12390029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 258102 + ... + 258149.

It is an arithmetic number, because the mean of its divisors is an integer number (1935945).

Almost surely, 2^12390024 is an apocalyptic number.

It is an amenable number.

12390024 is an abundant number, since it is smaller than the sum of its proper divisors (18585096).

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

12390024 is a wasteful number, since it uses less digits than its factorization.

12390024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516260 (or 516256 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12390024 is about 3519.9465905039. The cubic root of 12390024 is about 231.3968179919.

Adding to 12390024 its reverse (42009321), we get a palindrome (54399345).

The spelling of 12390024 in words is "twelve million, three hundred ninety thousand, twenty-four".