12309832 has 16 divisors (see below), whose sum is σ = 23120640. Its totient is φ = 6144336.

The previous prime is 12309811. The next prime is 12309877. The reversal of 12309832 is 23890321.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12309832.

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 3 ways as a sum of consecutive naturals, for example, 6013 + ... + 7795.

It is an arithmetic number, because the mean of its divisors is an integer number (1445040).

Almost surely, 2^12309832 is an apocalyptic number.

It is an amenable number.

12309832 is a deficient number, since it is larger than the sum of its proper divisors (10810808).

12309832 is a wasteful number, since it uses less digits than its factorization.

12309832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652 (or 2648 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12309832 is about 3508.5370170486. The cubic root of 12309832 is about 230.8965135552.

The spelling of 12309832 in words is "twelve million, three hundred nine thousand, eight hundred thirty-two".