12787286 has 8 divisors (see below), whose sum is σ = 19196184. Its totient is φ = 6388560.

The previous prime is 12787279. The next prime is 12787301. The reversal of 12787286 is 68278721.

12787286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161 + ... + 5963.

It is an arithmetic number, because the mean of its divisors is an integer number (2399523).

Almost surely, 2^12787286 is an apocalyptic number.

12787286 is a deficient number, since it is larger than the sum of its proper divisors (6408898).

12787286 is a wasteful number, since it uses less digits than its factorization.

12787286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086.

The product of its digits is 75264, while the sum is 41.

The square root of 12787286 is about 3575.9314870394. The cubic root of 12787286 is about 233.8439434798.

The spelling of 12787286 in words is "twelve million, seven hundred eighty-seven thousand, two hundred eighty-six".