12727798 has 8 divisors (see below), whose sum is σ = 20214792. Its totient is φ = 5989536.

The previous prime is 12727787. The next prime is 12727811. The reversal of 12727798 is 89772721.

It is a happy number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187140 + ... + 187207.

It is an arithmetic number, because the mean of its divisors is an integer number (2526849).

Almost surely, 2^12727798 is an apocalyptic number.

12727798 is a deficient number, since it is larger than the sum of its proper divisors (7486994).

12727798 is a wasteful number, since it uses less digits than its factorization.

12727798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374366.

The product of its digits is 98784, while the sum is 43.

The square root of 12727798 is about 3567.6039578406. The cubic root of 12727798 is about 233.4807562698.

The spelling of 12727798 in words is "twelve million, seven hundred twenty-seven thousand, seven hundred ninety-eight".