13696605 has 36 divisors (see below), whose sum is σ = 25721748. Its totient is φ = 6739200.

The previous prime is 13696603. The next prime is 13696633. The reversal of 13696605 is 50669631.

It can be written as a sum of positive squares in 6 ways, for example, as 5280804 + 8415801 = 2298^2 + 2901^2 .

It is not a de Polignac number, because 13696605 - 2¹ = 13696603 is a prime.

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 13696605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13696601) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6705 + ... + 8505.

It is an arithmetic number, because the mean of its divisors is an integer number (714493).

Almost surely, 2^13696605 is an apocalyptic number.

13696605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13696605 is a deficient number, since it is larger than the sum of its proper divisors (12025143).

13696605 is a wasteful number, since it uses less digits than its factorization.

13696605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838 (or 1822 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 13696605 is about 3700.8924599345. The cubic root of 13696605 is about 239.2604840746.

The spelling of 13696605 in words is "thirteen million, six hundred ninety-six thousand, six hundred five".