12305132 has 24 divisors (see below), whose sum is σ = 24684576. Its totient is φ = 5257728.

The previous prime is 12305113. The next prime is 12305149. The reversal of 12305132 is 23150321.

It is a self number, because there is not a number n which added to its sum of digits gives 12305132.

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, 17948 + ... + 18620.

It is an arithmetic number, because the mean of its divisors is an integer number (1028524).

Almost surely, 2^12305132 is an apocalyptic number.

It is an amenable number.

12305132 is an abundant number, since it is smaller than the sum of its proper divisors (12379444).

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

12305132 is a wasteful number, since it uses less digits than its factorization.

12305132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 12305132 is about 3507.8671582601. The cubic root of 12305132 is about 230.8671237212.

Adding to 12305132 its reverse (23150321), we get a palindrome (35455453).

The spelling of 12305132 in words is "twelve million, three hundred five thousand, one hundred thirty-two".