13685066 has 8 divisors (see below), whose sum is σ = 20548164. Its totient is φ = 6835680.

The previous prime is 13685057. The next prime is 13685081. The reversal of 13685066 is 66058631.

It can be written as a sum of positive squares in 2 ways, for example, as 13653025 + 32041 = 3695^2 + 179^2 .

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

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, 395 + ... + 5246.

Almost surely, 2^13685066 is an apocalyptic number.

13685066 is a deficient number, since it is larger than the sum of its proper divisors (6863098).

13685066 is a wasteful number, since it uses less digits than its factorization.

13685066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6856.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 13685066 is about 3699.3331831561. Note that the first 3 decimals coincide. The cubic root of 13685066 is about 239.1932751472.

The spelling of 13685066 in words is "thirteen million, six hundred eighty-five thousand, sixty-six".