12453528 has 48 divisors (see below), whose sum is σ = 32296680. Its totient is φ = 4001536.

The previous prime is 12453523. The next prime is 12453533. The reversal of 12453528 is 82535421.

It is an interprime number because it is at equal distance from previous prime (12453523) and next prime (12453533).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12453495 and 12453504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453523) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 19876 + ... + 20492.

Almost surely, 2^12453528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12453528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16148340).

12453528 is an abundant number, since it is smaller than the sum of its proper divisors (19843152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12453528 is a wasteful number, since it uses less digits than its factorization.

12453528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 651 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 12453528 is about 3528.9556528809. The cubic root of 12453528 is about 231.7914793052.

Adding to 12453528 its reverse (82535421), we get a palindrome (94988949).

The spelling of 12453528 in words is "twelve million, four hundred fifty-three thousand, five hundred twenty-eight".