12158804 has 12 divisors (see below), whose sum is σ = 24317664. Its totient is φ = 5210904.

The previous prime is 12158777. The next prime is 12158813. The reversal of 12158804 is 40885121.

12158804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12158804 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217094 + ... + 217149.

It is an arithmetic number, because the mean of its divisors is an integer number (2026472).

Almost surely, 2^12158804 is an apocalyptic number.

12158804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12158804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12158804 is a wasteful number, since it uses less digits than its factorization.

12158804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434254 (or 434252 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 12158804 is about 3486.9476623546. The cubic root of 12158804 is about 229.9483437868.

The spelling of 12158804 in words is "twelve million, one hundred fifty-eight thousand, eight hundred four".