12773986 has 8 divisors (see below), whose sum is σ = 19192284. Its totient is φ = 6376560.

The previous prime is 12773951. The next prime is 12774029. The reversal of 12773986 is 68937721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12383361 + 390625 = 3519^2 + 625^2 .

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

It is a pancake number, because a pancake can be divided into 12773986 parts by 5054 straight cuts.

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 3 ways as a sum of consecutive naturals, for example, 3585 + ... + 6196.

Almost surely, 2^12773986 is an apocalyptic number.

12773986 is a deficient number, since it is larger than the sum of its proper divisors (6418298).

12773986 is an equidigital number, since it uses as much as digits as its factorization.

12773986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10436.

The product of its digits is 127008, while the sum is 43.

The square root of 12773986 is about 3574.0713479168. The cubic root of 12773986 is about 233.7628420028.

The spelling of 12773986 in words is "twelve million, seven hundred seventy-three thousand, nine hundred eighty-six".