13606541 has 4 divisors (see below), whose sum is σ = 14653212. Its totient is φ = 12559872.

The previous prime is 13606529. The next prime is 13606573. The reversal of 13606541 is 14560631.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3076516 + 10530025 = 1754^2 + 3245^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13606541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13606541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13606741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523316 + ... + 523341.

It is an arithmetic number, because the mean of its divisors is an integer number (3663303).

Almost surely, 2^13606541 is an apocalyptic number.

It is an amenable number.

13606541 is a deficient number, since it is larger than the sum of its proper divisors (1046671).

13606541 is a wasteful number, since it uses less digits than its factorization.

13606541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046670.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13606541 is about 3688.7045151381. The cubic root of 13606541 is about 238.7348997696.

The spelling of 13606541 in words is "thirteen million, six hundred six thousand, five hundred forty-one".