12782396 has 12 divisors (see below), whose sum is σ = 24402840. Its totient is φ = 5810160.

The previous prime is 12782377. The next prime is 12782431. The reversal of 12782396 is 69328721.

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, 145211 + ... + 145298.

It is an arithmetic number, because the mean of its divisors is an integer number (2033570).

Almost surely, 2^12782396 is an apocalyptic number.

It is an amenable number.

12782396 is a deficient number, since it is larger than the sum of its proper divisors (11620444).

12782396 is a wasteful number, since it uses less digits than its factorization.

12782396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290524 (or 290522 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 12782396 is about 3575.2476837277. The cubic root of 12782396 is about 233.8141315068.

The spelling of 12782396 in words is "twelve million, seven hundred eighty-two thousand, three hundred ninety-six".