13712866 has 8 divisors (see below), whose sum is σ = 21125340. Its totient is φ = 6671088.

The previous prime is 13712837. The next prime is 13712873. The reversal of 13712866 is 66821731.

It can be written as a sum of positive squares in 2 ways, for example, as 11417641 + 2295225 = 3379^2 + 1515^2 .

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

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, 92581 + ... + 92728.

Almost surely, 2^13712866 is an apocalyptic number.

13712866 is a deficient number, since it is larger than the sum of its proper divisors (7412474).

13712866 is a wasteful number, since it uses less digits than its factorization.

13712866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185348.

The product of its digits is 12096, while the sum is 34.

The square root of 13712866 is about 3703.0887107927. The cubic root of 13712866 is about 239.3551322511.

The spelling of 13712866 in words is "thirteen million, seven hundred twelve thousand, eight hundred sixty-six".