8260813 has 4 divisors (see below), whose sum is σ = 9011808. Its totient is φ = 7509820.

The previous prime is 8260807. The next prime is 8260823. The reversal of 8260813 is 3180628.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8260813 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 (8260823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375481 + ... + 375502.

It is an arithmetic number, because the mean of its divisors is an integer number (2252952).

Almost surely, 2^8260813 is an apocalyptic number.

It is an amenable number.

8260813 is a deficient number, since it is larger than the sum of its proper divisors (750995).

8260813 is a wasteful number, since it uses less digits than its factorization.

8260813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750994.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 8260813 is about 2874.1630085992. The cubic root of 8260813 is about 202.1502411343.

It can be divided in two parts, 82608 and 13, that added together give a triangular number (82621 = T₄₀₆).

The spelling of 8260813 in words is "eight million, two hundred sixty thousand, eight hundred thirteen".