6387013 has 2 divisors, whose sum is σ = 6387014. Its totient is φ = 6387012.

The previous prime is 6387001. The next prime is 6387037. The reversal of 6387013 is 3107836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5461569 + 925444 = 2337^2 + 962^2 .

It is a cyclic number.

It is not a de Polignac number, because 6387013 - 2⁵ = 6386981 is a prime.

6387013 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6387313) 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 as a sum of consecutive naturals, namely, 3193506 + 3193507.

It is an arithmetic number, because the mean of its divisors is an integer number (3193507).

Almost surely, 2^6387013 is an apocalyptic number.

It is an amenable number.

6387013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6387013 is an equidigital number, since it uses as much as digits as its factorization.

6387013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 6387013 is about 2527.2540434234. The cubic root of 6387013 is about 185.5378843149.

The spelling of 6387013 in words is "six million, three hundred eighty-seven thousand, thirteen".