8402713 has 4 divisors (see below), whose sum is σ = 9166608. Its totient is φ = 7638820.

The previous prime is 8402711. The next prime is 8402717. The reversal of 8402713 is 3172048.

8402713 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 8402713 - 2¹ = 8402711 is a prime.

8402713 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8402711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381931 + ... + 381952.

It is an arithmetic number, because the mean of its divisors is an integer number (2291652).

Almost surely, 2^8402713 is an apocalyptic number.

It is an amenable number.

8402713 is a deficient number, since it is larger than the sum of its proper divisors (763895).

8402713 is a wasteful number, since it uses less digits than its factorization.

8402713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763894.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 8402713 is about 2898.7433484184. The cubic root of 8402713 is about 203.3011537955.

It can be divided in two parts, 840 and 2713, that added together give a palindrome (3553).

The spelling of 8402713 in words is "eight million, four hundred two thousand, seven hundred thirteen".