12158058 has 32 divisors (see below), whose sum is σ = 27179712. Its totient is φ = 3593600.

The previous prime is 12158057. The next prime is 12158063. The reversal of 12158058 is 85085121.

It is a super-3 number, since 3×12158058³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12158057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460 + ... + 4952.

It is an arithmetic number, because the mean of its divisors is an integer number (849366).

Almost surely, 2^12158058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12158058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13589856).

12158058 is an abundant number, since it is smaller than the sum of its proper divisors (15021654).

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

12158058 is a wasteful number, since it uses less digits than its factorization.

12158058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 12158058 is about 3486.8406903671. The cubic root of 12158058 is about 229.9436408853.

The spelling of 12158058 in words is "twelve million, one hundred fifty-eight thousand, fifty-eight".