8730813 has 16 divisors (see below), whose sum is σ = 14327936. Its totient is φ = 4605120.

The previous prime is 8730803. The next prime is 8730847. The reversal of 8730813 is 3180378.

8730813 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8730813 - 2⁴ = 8730797 is a prime.

It is a super-3 number, since 3×8730813³ (a number of 22 digits) contains 333 as substring.

8730813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8730803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15718 + ... + 16263.

It is an arithmetic number, because the mean of its divisors is an integer number (895496).

Almost surely, 2^8730813 is an apocalyptic number.

It is an amenable number.

8730813 is a deficient number, since it is larger than the sum of its proper divisors (5597123).

8730813 is a wasteful number, since it uses less digits than its factorization.

8730813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32004.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 8730813 is about 2954.7949167413. The cubic root of 8730813 is about 205.9135355234.

The spelling of 8730813 in words is "eight million, seven hundred thirty thousand, eight hundred thirteen".