8987013 has 24 divisors (see below), whose sum is σ = 15350400. Its totient is φ = 4957344.

The previous prime is 8986987. The next prime is 8987023. The reversal of 8987013 is 3107898.

It is not a de Polignac number, because 8987013 - 2⁶ = 8986949 is a prime.

It is a Curzon number.

8987013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8987023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 633 + ... + 4286.

It is an arithmetic number, because the mean of its divisors is an integer number (639600).

Almost surely, 2^8987013 is an apocalyptic number.

It is an amenable number.

8987013 is a deficient number, since it is larger than the sum of its proper divisors (6363387).

8987013 is a wasteful number, since it uses less digits than its factorization.

8987013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961 (or 4958 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 8987013 is about 2997.8347185927. The cubic root of 8987013 is about 207.9082821097.

It can be divided in two parts, 898701 and 3, that added together give a square (898704 = 948²).

The spelling of 8987013 in words is "eight million, nine hundred eighty-seven thousand, thirteen".