12305958 has 48 divisors (see below), whose sum is σ = 30150720. Its totient is φ = 3329424.

The previous prime is 12305921. The next prime is 12305981. The reversal of 12305958 is 85950321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4485 + ... + 6687.

It is an arithmetic number, because the mean of its divisors is an integer number (628140).

Almost surely, 2^12305958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12305958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15075360).

12305958 is an abundant number, since it is smaller than the sum of its proper divisors (17844762).

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

12305958 is a wasteful number, since it uses less digits than its factorization.

12305958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241 (or 2234 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 12305958 is about 3507.9848916436. The cubic root of 12305958 is about 230.8722893702.

The spelling of 12305958 in words is "twelve million, three hundred five thousand, nine hundred fifty-eight".