8739513 has 18 divisors (see below), whose sum is σ = 13422474. Its totient is φ = 5460672.

The previous prime is 8739503. The next prime is 8739529. The reversal of 8739513 is 3159378.

8739513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8225424 + 514089 = 2868^2 + 717^2 .

It is not a de Polignac number, because 8739513 - 2⁵ = 8739481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8739503) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36448 + ... + 36686.

It is an arithmetic number, because the mean of its divisors is an integer number (745693).

Almost surely, 2^8739513 is an apocalyptic number.

It is an amenable number.

8739513 is a deficient number, since it is larger than the sum of its proper divisors (4682961).

8739513 is a wasteful number, since it uses less digits than its factorization.

8739513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 259 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 8739513 is about 2956.2667335679. The cubic root of 8739513 is about 205.9819084247.

The spelling of 8739513 in words is "eight million, seven hundred thirty-nine thousand, five hundred thirteen".