8487013 has 4 divisors (see below), whose sum is σ = 8549100. Its totient is φ = 8424928.

The previous prime is 8487001. The next prime is 8487019. The reversal of 8487013 is 3107848.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5094049 + 3392964 = 2257^2 + 1842^2 .

It is a cyclic number.

It is not a de Polignac number, because 8487013 - 2²¹ = 6389861 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 (8487019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30838 + ... + 31111.

It is an arithmetic number, because the mean of its divisors is an integer number (2137275).

Almost surely, 2^8487013 is an apocalyptic number.

It is an amenable number.

8487013 is a deficient number, since it is larger than the sum of its proper divisors (62087).

8487013 is a wasteful number, since it uses less digits than its factorization.

8487013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62086.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 8487013 is about 2913.2478439021. The cubic root of 8487013 is about 203.9787639691.

The spelling of 8487013 in words is "eight million, four hundred eighty-seven thousand, thirteen".