13487685 has 8 divisors (see below), whose sum is σ = 21580320. Its totient is φ = 7193424.

The previous prime is 13487651. The next prime is 13487707. The reversal of 13487685 is 58678431.

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

It is not a de Polignac number, because 13487685 - 2⁷ = 13487557 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 449575 + ... + 449604.

It is an arithmetic number, because the mean of its divisors is an integer number (2697540).

Almost surely, 2^13487685 is an apocalyptic number.

13487685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13487685 is a deficient number, since it is larger than the sum of its proper divisors (8092635).

13487685 is an equidigital number, since it uses as much as digits as its factorization.

13487685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899187.

The product of its digits is 161280, while the sum is 42.

The square root of 13487685 is about 3672.5583725790. The cubic root of 13487685 is about 238.0377326424.

The spelling of 13487685 in words is "thirteen million, four hundred eighty-seven thousand, six hundred eighty-five".