813060 has 36 divisors (see below), whose sum is σ = 2466828. Its totient is φ = 216768.

The previous prime is 813049. The next prime is 813061. The reversal of 813060 is 60318.

It can be written as a sum of positive squares in 2 ways, for example, as 97344 + 715716 = 312^2 + 846^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×813060² = 1322133127200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (813061) by changing a digit.

813060 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2079 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (68523).

2⁸¹³⁰⁶⁰ is an apocalyptic number.

It is an amenable number.

813060 is an abundant number, since it is smaller than the sum of its proper divisors (1653768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813060 is a wasteful number, since it uses less digits than its factorization.

813060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532 (or 4527 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 813060 is about 901.6983974700. The cubic root of 813060 is about 93.3342120099.

Adding to 813060 its reverse (60318), we get a palindrome (873378).

The spelling of 813060 in words is "eight hundred thirteen thousand, sixty".