12788285 has 8 divisors (see below), whose sum is σ = 15365376. Its totient is φ = 10217680.

The previous prime is 12788263. The next prime is 12788327. The reversal of 12788285 is 58288721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12788285 - 2⁶ = 12788221 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 5900 + ... + 7770.

It is an arithmetic number, because the mean of its divisors is an integer number (1920672).

Almost surely, 2^12788285 is an apocalyptic number.

It is an amenable number.

12788285 is a deficient number, since it is larger than the sum of its proper divisors (2577091).

12788285 is a wasteful number, since it uses less digits than its factorization.

12788285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243.

The product of its digits is 71680, while the sum is 41.

The square root of 12788285 is about 3576.0711681956. The cubic root of 12788285 is about 233.8500329663.

The spelling of 12788285 in words is "twelve million, seven hundred eighty-eight thousand, two hundred eighty-five".