12328755 has 16 divisors (see below), whose sum is σ = 19782144. Its totient is φ = 6556640.

The previous prime is 12328747. The next prime is 12328781. The reversal of 12328755 is 55782321.

It is not a de Polignac number, because 12328755 - 2³ = 12328747 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5512 + ... + 7418.

It is an arithmetic number, because the mean of its divisors is an integer number (1236384).

Almost surely, 2^12328755 is an apocalyptic number.

12328755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12328755 is a deficient number, since it is larger than the sum of its proper divisors (7453389).

12328755 is a wasteful number, since it uses less digits than its factorization.

12328755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346.

The product of its digits is 16800, while the sum is 33.

The square root of 12328755 is about 3511.2326895266. The cubic root of 12328755 is about 231.0147663955.

The spelling of 12328755 in words is "twelve million, three hundred twenty-eight thousand, seven hundred fifty-five".