12775798 has 16 divisors (see below), whose sum is σ = 22064544. Its totient is φ = 5434560.

The previous prime is 12775783. The next prime is 12775817. The reversal of 12775798 is 89757721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413 + ... + 5248.

It is an arithmetic number, because the mean of its divisors is an integer number (1379034).

Almost surely, 2^12775798 is an apocalyptic number.

12775798 is a deficient number, since it is larger than the sum of its proper divisors (9288746).

12775798 is a wasteful number, since it uses less digits than its factorization.

12775798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807.

The product of its digits is 246960, while the sum is 46.

The square root of 12775798 is about 3574.3248313493. The cubic root of 12775798 is about 233.7738946281.

The spelling of 12775798 in words is "twelve million, seven hundred seventy-five thousand, seven hundred ninety-eight".