12499528 has 16 divisors (see below), whose sum is σ = 23543280. Its totient is φ = 6221328.

The previous prime is 12499523. The next prime is 12499537. The reversal of 12499528 is 82599421.

It is not an unprimeable number, because it can be changed into a prime (12499523) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1626 + ... + 5257.

It is an arithmetic number, because the mean of its divisors is an integer number (1471455).

Almost surely, 2^12499528 is an apocalyptic number.

It is an amenable number.

12499528 is a deficient number, since it is larger than the sum of its proper divisors (11043752).

12499528 is a wasteful number, since it uses less digits than its factorization.

12499528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7116 (or 7112 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 12499528 is about 3535.4671544225. The cubic root of 12499528 is about 232.0765205373.

The spelling of 12499528 in words is "twelve million, four hundred ninety-nine thousand, five hundred twenty-eight".