12158322 has 24 divisors (see below), whose sum is σ = 26729808. Its totient is φ = 3684120.

The previous prime is 12158299. The next prime is 12158323. The reversal of 12158322 is 22385121.

12158322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12158292 and 12158301.

It is not an unprimeable number, because it can be changed into a prime (12158323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7648 + ... + 9099.

It is an arithmetic number, because the mean of its divisors is an integer number (1113742).

Almost surely, 2^12158322 is an apocalyptic number.

12158322 is an abundant number, since it is smaller than the sum of its proper divisors (14571486).

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

12158322 is a wasteful number, since it uses less digits than its factorization.

12158322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16774 (or 16763 counting only the distinct ones).

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

The square root of 12158322 is about 3486.8785467808. The cubic root of 12158322 is about 229.9453052049.

The spelling of 12158322 in words is "twelve million, one hundred fifty-eight thousand, three hundred twenty-two".