12328745 has 32 divisors (see below), whose sum is σ = 17829504. Its totient is φ = 8064000.

The previous prime is 12328721. The next prime is 12328747. The reversal of 12328745 is 54782321.

12328745 is nontrivially palindromic in base 7.

It is not a de Polignac number, because 12328745 - 2⁶ = 12328681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12328747) 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 31 ways as a sum of consecutive naturals, for example, 30545 + ... + 30945.

It is an arithmetic number, because the mean of its divisors is an integer number (557172).

Almost surely, 2^12328745 is an apocalyptic number.

It is an amenable number.

12328745 is a deficient number, since it is larger than the sum of its proper divisors (5500759).

12328745 is a wasteful number, since it uses less digits than its factorization.

12328745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its digits is 13440, while the sum is 32.

The square root of 12328745 is about 3511.2312655250. The cubic root of 12328745 is about 231.0147039359.

The spelling of 12328745 in words is "twelve million, three hundred twenty-eight thousand, seven hundred forty-five".