12523304 has 8 divisors (see below), whose sum is σ = 23481210. Its totient is φ = 6261648.

The previous prime is 12523283. The next prime is 12523321. The reversal of 12523304 is 40332521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7279204 + 5244100 = 2698^2 + 2290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 782699 + ... + 782714.

Almost surely, 2^12523304 is an apocalyptic number.

It is an amenable number.

12523304 is a deficient number, since it is larger than the sum of its proper divisors (10957906).

12523304 is a wasteful number, since it uses less digits than its factorization.

12523304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565419 (or 1565415 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 12523304 is about 3538.8280545966. The cubic root of 12523304 is about 232.2235755954.

Adding to 12523304 its reverse (40332521), we get a palindrome (52855825).

The spelling of 12523304 in words is "twelve million, five hundred twenty-three thousand, three hundred four".