12449528 has 64 divisors (see below), whose sum is σ = 29400000. Its totient is φ = 4910976.

The previous prime is 12449519. The next prime is 12449533. The reversal of 12449528 is 82594421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35498 + ... + 35846.

It is an arithmetic number, because the mean of its divisors is an integer number (459375).

Almost surely, 2^12449528 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 12449528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14700000).

12449528 is an abundant number, since it is smaller than the sum of its proper divisors (16950472).

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

12449528 is a wasteful number, since it uses less digits than its factorization.

12449528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 371 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 12449528 is about 3528.3888674578. The cubic root of 12449528 is about 231.7666599608.

The spelling of 12449528 in words is "twelve million, four hundred forty-nine thousand, five hundred twenty-eight".