12285158 has 16 divisors (see below), whose sum is σ = 18987696. Its totient is φ = 5957760.

The previous prime is 12285137. The next prime is 12285167. The reversal of 12285158 is 85158221.

It is a happy number.

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, 18785 + ... + 19427.

It is an arithmetic number, because the mean of its divisors is an integer number (1186731).

Almost surely, 2^12285158 is an apocalyptic number.

12285158 is a deficient number, since it is larger than the sum of its proper divisors (6702538).

12285158 is a wasteful number, since it uses less digits than its factorization.

12285158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its digits is 6400, while the sum is 32.

The square root of 12285158 is about 3505.0189728445. The cubic root of 12285158 is about 230.7421396289.

The spelling of 12285158 in words is "twelve million, two hundred eighty-five thousand, one hundred fifty-eight".