12782204 has 12 divisors (see below), whose sum is σ = 23341584. Its totient is φ = 6113184.

The previous prime is 12782183. The next prime is 12782213. The reversal of 12782204 is 40228721.

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 in 3 ways as a sum of consecutive naturals, for example, 69377 + ... + 69560.

It is an arithmetic number, because the mean of its divisors is an integer number (1945132).

Almost surely, 2^12782204 is an apocalyptic number.

It is an amenable number.

12782204 is a deficient number, since it is larger than the sum of its proper divisors (10559380).

12782204 is a wasteful number, since it uses less digits than its factorization.

12782204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138964 (or 138962 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 12782204 is about 3575.2208323403. The cubic root of 12782204 is about 233.8129608202.

The spelling of 12782204 in words is "twelve million, seven hundred eighty-two thousand, two hundred four".