13506685 has 8 divisors (see below), whose sum is σ = 16436736. Its totient is φ = 10652880.

The previous prime is 13506683. The next prime is 13506697. The reversal of 13506685 is 58660531.

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

It is not a de Polignac number, because 13506685 - 2¹ = 13506683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13506685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13506683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18669 + ... + 19378.

It is an arithmetic number, because the mean of its divisors is an integer number (2054592).

Almost surely, 2^13506685 is an apocalyptic number.

It is an amenable number.

13506685 is a deficient number, since it is larger than the sum of its proper divisors (2930051).

13506685 is an equidigital number, since it uses as much as digits as its factorization.

13506685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38123.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 13506685 is about 3675.1442148574. The cubic root of 13506685 is about 238.1494541838.

The spelling of 13506685 in words is "thirteen million, five hundred six thousand, six hundred eighty-five".