12453328 has 10 divisors (see below), whose sum is σ = 24128354. Its totient is φ = 6226656.

The previous prime is 12453319. The next prime is 12453347. The reversal of 12453328 is 82335421.

It can be written as a sum of positive squares in only one way, i.e., 8340544 + 4112784 = 2888^2 + 2028^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12453296 and 12453305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389151 + ... + 389182.

Almost surely, 2^12453328 is an apocalyptic number.

It is an amenable number.

12453328 is a deficient number, since it is larger than the sum of its proper divisors (11675026).

12453328 is an equidigital number, since it uses as much as digits as its factorization.

12453328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778341 (or 778335 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 12453328 is about 3528.9273157717. The cubic root of 12453328 is about 231.7902384642.

Adding to 12453328 its reverse (82335421), we get a palindrome (94788749).

The spelling of 12453328 in words is "twelve million, four hundred fifty-three thousand, three hundred twenty-eight".