12775388 has 12 divisors (see below), whose sum is σ = 22736280. Its totient is φ = 6279312.

The previous prime is 12775369. The next prime is 12775421. The reversal of 12775388 is 88357721.

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, 26831 + ... + 27302.

It is an arithmetic number, because the mean of its divisors is an integer number (1894690).

Almost surely, 2^12775388 is an apocalyptic number.

It is an amenable number.

12775388 is a deficient number, since it is larger than the sum of its proper divisors (9960892).

12775388 is a wasteful number, since it uses less digits than its factorization.

12775388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54196 (or 54194 counting only the distinct ones).

The product of its digits is 94080, while the sum is 41.

The square root of 12775388 is about 3574.2674774001. The cubic root of 12775388 is about 233.7713938496.

The spelling of 12775388 in words is "twelve million, seven hundred seventy-five thousand, three hundred eighty-eight".