12158304 has 48 divisors (see below), whose sum is σ = 32704560. Its totient is φ = 3952640.

The previous prime is 12158299. The next prime is 12158323. The reversal of 12158304 is 40385121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2392 + ... + 5480.

It is an arithmetic number, because the mean of its divisors is an integer number (681345).

Almost surely, 2^12158304 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 12158304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16352280).

12158304 is an abundant number, since it is smaller than the sum of its proper divisors (20546256).

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

12158304 is a wasteful number, since it uses less digits than its factorization.

12158304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143 (or 3135 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 12158304 is about 3486.8759656747. The cubic root of 12158304 is about 229.9451917293.

The spelling of 12158304 in words is "twelve million, one hundred fifty-eight thousand, three hundred four".