13638606 has 8 divisors (see below), whose sum is σ = 27277224. Its totient is φ = 4546200.

The previous prime is 13638593. The next prime is 13638623. The reversal of 13638606 is 60683631.

13638606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

13638606 is an admirable number.

It is a congruent number.

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, 1136545 + ... + 1136556.

It is an arithmetic number, because the mean of its divisors is an integer number (3409653).

Almost surely, 2^13638606 is an apocalyptic number.

13638606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13638606 is a wasteful number, since it uses less digits than its factorization.

13638606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273106.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 13638606 is about 3693.0483343709. The cubic root of 13638606 is about 238.9222858502.

It can be divided in two parts, 13638 and 606, that multiplied together give a palindrome (8264628).

The spelling of 13638606 in words is "thirteen million, six hundred thirty-eight thousand, six hundred six".