13606 has 4 divisors (see below), whose sum is σ = 20412. Its totient is φ = 6802.

The previous prime is 13597. The next prime is 13613. The reversal of 13606 is 60631.

It is a happy number.

13606 is nontrivially palindromic in base 7.

13606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400 + ... + 3403.

It is an arithmetic number, because the mean of its divisors is an integer number (5103).

2¹³⁶⁰⁶ is an apocalyptic number.

13606 is a deficient number, since it is larger than the sum of its proper divisors (6806).

13606 is an equidigital number, since it uses as much as digits as its factorization.

13606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 13606 is about 116.6447598480. The cubic root of 13606 is about 23.8731735671.

The spelling of 13606 in words is "thirteen thousand, six hundred six".