13532987 has 8 divisors (see below), whose sum is σ = 14602896. Its totient is φ = 12467232.

The previous prime is 13532983. The next prime is 13532989. The reversal of 13532987 is 78923531.

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

It is a cyclic number.

It is not a de Polignac number, because 13532987 - 2² = 13532983 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 13532987.

It is not an unprimeable number, because it can be changed into a prime (13532983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10808 + ... + 11994.

It is an arithmetic number, because the mean of its divisors is an integer number (1825362).

Almost surely, 2^13532987 is an apocalyptic number.

13532987 is a deficient number, since it is larger than the sum of its proper divisors (1069909).

13532987 is a wasteful number, since it uses less digits than its factorization.

13532987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077.

The product of its digits is 45360, while the sum is 38.

The square root of 13532987 is about 3678.7208374651. The cubic root of 13532987 is about 238.3039393007.

The spelling of 13532987 in words is "thirteen million, five hundred thirty-two thousand, nine hundred eighty-seven".