13713605 has 4 divisors (see below), whose sum is σ = 16456332. Its totient is φ = 10970880.

The previous prime is 13713533. The next prime is 13713629. The reversal of 13713605 is 50631731.

It is a happy number.

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 4190209 + 9523396 = 2047^2 + 3086^2 .

It is not a de Polignac number, because 13713605 - 2¹⁴ = 13697221 is a prime.

It is a Duffinian 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, 1371356 + ... + 1371365.

It is an arithmetic number, because the mean of its divisors is an integer number (4114083).

Almost surely, 2^13713605 is an apocalyptic number.

It is an amenable number.

13713605 is a deficient number, since it is larger than the sum of its proper divisors (2742727).

13713605 is an equidigital number, since it uses as much as digits as its factorization.

13713605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742726.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 13713605 is about 3703.1884910169. The cubic root of 13713605 is about 239.3594318693.

The spelling of 13713605 in words is "thirteen million, seven hundred thirteen thousand, six hundred five".