12782508 has 12 divisors (see below), whose sum is σ = 29825880. Its totient is φ = 4260832.

The previous prime is 12782479. The next prime is 12782513. The reversal of 12782508 is 80528721.

It is a tau number, because it is divible by the number of its divisors (12).

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, 532593 + ... + 532616.

It is an arithmetic number, because the mean of its divisors is an integer number (2485490).

Almost surely, 2^12782508 is an apocalyptic number.

It is an amenable number.

12782508 is an abundant number, since it is smaller than the sum of its proper divisors (17043372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12782508 is a wasteful number, since it uses less digits than its factorization.

12782508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065216 (or 1065214 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 12782508 is about 3575.2633469438. The cubic root of 12782508 is about 233.8148144019.

The spelling of 12782508 in words is "twelve million, seven hundred eighty-two thousand, five hundred eight".