6387913 has 4 divisors (see below), whose sum is σ = 7300480. Its totient is φ = 5475348.

The previous prime is 6387907. The next prime is 6387919. The reversal of 6387913 is 3197836.

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 an interprime number because it is at equal distance from previous prime (6387907) and next prime (6387919).

It is a cyclic number.

It is not a de Polignac number, because 6387913 - 2⁵ = 6387881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6387919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456273 + ... + 456286.

It is an arithmetic number, because the mean of its divisors is an integer number (1825120).

Almost surely, 2^6387913 is an apocalyptic number.

It is an amenable number.

6387913 is a deficient number, since it is larger than the sum of its proper divisors (912567).

6387913 is an equidigital number, since it uses as much as digits as its factorization.

6387913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912566.

The product of its digits is 27216, while the sum is 37.

The square root of 6387913 is about 2527.4320960216. The cubic root of 6387913 is about 185.5465986781.

The spelling of 6387913 in words is "six million, three hundred eighty-seven thousand, nine hundred thirteen".