12158828 has 12 divisors (see below), whose sum is σ = 23212392. Its totient is φ = 5526720.

The previous prime is 12158813. The next prime is 12158849. The reversal of 12158828 is 82885121.

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 in 3 ways as a sum of consecutive naturals, for example, 138125 + ... + 138212.

It is an arithmetic number, because the mean of its divisors is an integer number (1934366).

Almost surely, 2^12158828 is an apocalyptic number.

It is an amenable number.

12158828 is a deficient number, since it is larger than the sum of its proper divisors (11053564).

12158828 is a wasteful number, since it uses less digits than its factorization.

12158828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276352 (or 276350 counting only the distinct ones).

The product of its digits is 10240, while the sum is 35.

The square root of 12158828 is about 3486.9511037581. The cubic root of 12158828 is about 229.9484950834.

The spelling of 12158828 in words is "twelve million, one hundred fifty-eight thousand, eight hundred twenty-eight".