13527687 has 8 divisors (see below), whose sum is σ = 18618880. Its totient is φ = 8727480.

The previous prime is 13527649. The next prime is 13527691. The reversal of 13527687 is 78672531.

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

It is not a de Polignac number, because 13527687 - 2⁶ = 13527623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13527187) 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, 72637 + ... + 72822.

It is an arithmetic number, because the mean of its divisors is an integer number (2327360).

Almost surely, 2^13527687 is an apocalyptic number.

13527687 is a deficient number, since it is larger than the sum of its proper divisors (5091193).

13527687 is a wasteful number, since it uses less digits than its factorization.

13527687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145493.

The product of its digits is 70560, while the sum is 39.

The square root of 13527687 is about 3678.0004078303. Note that the first 3 decimals coincide. The cubic root of 13527687 is about 238.2728258002.

The spelling of 13527687 in words is "thirteen million, five hundred twenty-seven thousand, six hundred eighty-seven".