12328519 has 16 divisors (see below), whose sum is σ = 15019776. Its totient is φ = 9878400.

The previous prime is 12328517. The next prime is 12328531. The reversal of 12328519 is 91582321.

It is not a de Polignac number, because 12328519 - 2¹ = 12328517 is a prime.

It is a super-2 number, since 2×12328519² = 303984761466722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328517) 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 in 15 ways as a sum of consecutive naturals, for example, 24864 + ... + 25354.

It is an arithmetic number, because the mean of its divisors is an integer number (938736).

Almost surely, 2^12328519 is an apocalyptic number.

12328519 is a deficient number, since it is larger than the sum of its proper divisors (2691257).

12328519 is a wasteful number, since it uses less digits than its factorization.

12328519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726.

The product of its digits is 4320, while the sum is 31.

The square root of 12328519 is about 3511.1990829345. The cubic root of 12328519 is about 231.0132923393.

The spelling of 12328519 in words is "twelve million, three hundred twenty-eight thousand, five hundred nineteen".