12305032 has 32 divisors (see below), whose sum is σ = 23690520. Its totient is φ = 5990400.

The previous prime is 12305017. The next prime is 12305039. The reversal of 12305032 is 23050321.

It can be written as a sum of positive squares in 4 ways, for example, as 11655396 + 649636 = 3414^2 + 806^2 .

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12304997 and 12305015.

It is not an unprimeable number, because it can be changed into a prime (12305039) 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 7 ways as a sum of consecutive naturals, for example, 78298 + ... + 78454.

Almost surely, 2^12305032 is an apocalyptic number.

It is an amenable number.

12305032 is a deficient number, since it is larger than the sum of its proper divisors (11385488).

12305032 is a wasteful number, since it uses less digits than its factorization.

12305032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 12305032 is about 3507.8529045557. The cubic root of 12305032 is about 230.8664983243.

Adding to 12305032 its reverse (23050321), we get a palindrome (35355353).

The spelling of 12305032 in words is "twelve million, three hundred five thousand, thirty-two".