12923528 has 36 divisors (see below), whose sum is σ = 25664085. Its totient is φ = 6100800.

The previous prime is 12923527. The next prime is 12923549. The reversal of 12923528 is 82532921.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 9229444 + 3694084 = 3038^2 + 1922^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2542.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12923494 and 12923503.

It is not an unprimeable number, because it can be changed into a prime (12923527) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 315188 + ... + 315228.

Almost surely, 2^12923528 is an apocalyptic number.

It is an amenable number.

12923528 is a deficient number, since it is larger than the sum of its proper divisors (12740557).

12923528 is an equidigital number, since it uses as much as digits as its factorization.

12923528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 74 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 12923528 is about 3594.9308755524. The cubic root of 12923528 is about 234.6715072320.

Multiplying 12923528 by its sum of digits (32), we get a square (413552896 = 20336²).

The spelling of 12923528 in words is "twelve million, nine hundred twenty-three thousand, five hundred twenty-eight".