12320836 has 24 divisors (see below), whose sum is σ = 23750496. Its totient is φ = 5545920.

The previous prime is 12320827. The next prime is 12320849. The reversal of 12320836 is 63802321.

It is a self number, because there is not a number n which added to its sum of digits gives 12320836.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3400 + ... + 6016.

It is an arithmetic number, because the mean of its divisors is an integer number (989604).

Almost surely, 2^12320836 is an apocalyptic number.

It is an amenable number.

12320836 is a deficient number, since it is larger than the sum of its proper divisors (11429660).

12320836 is a wasteful number, since it uses less digits than its factorization.

12320836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739 (or 2737 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 12320836 is about 3510.1048417391. The cubic root of 12320836 is about 230.9652940370.

The spelling of 12320836 in words is "twelve million, three hundred twenty thousand, eight hundred thirty-six".