12785336 has 8 divisors (see below), whose sum is σ = 23972520. Its totient is φ = 6392664.

The previous prime is 12785327. The next prime is 12785351. The reversal of 12785336 is 63358721.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12785296 and 12785305.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 799076 + ... + 799091.

It is an arithmetic number, because the mean of its divisors is an integer number (2996565).

Almost surely, 2^12785336 is an apocalyptic number.

It is an amenable number.

12785336 is a deficient number, since it is larger than the sum of its proper divisors (11187184).

12785336 is a wasteful number, since it uses less digits than its factorization.

12785336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598173 (or 1598169 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 12785336 is about 3575.6588204134. The cubic root of 12785336 is about 233.8320561810.

The spelling of 12785336 in words is "twelve million, seven hundred eighty-five thousand, three hundred thirty-six".