6713439 has 4 divisors (see below), whose sum is σ = 8951256. Its totient is φ = 4475624.

The previous prime is 6713431. The next prime is 6713489. The reversal of 6713439 is 9343176.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6713439 - 2³ = 6713431 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6713431) 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, 1118904 + ... + 1118909.

It is an arithmetic number, because the mean of its divisors is an integer number (2237814).

Almost surely, 2^6713439 is an apocalyptic number.

6713439 is a deficient number, since it is larger than the sum of its proper divisors (2237817).

6713439 is a wasteful number, since it uses less digits than its factorization.

6713439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237816.

The product of its digits is 13608, while the sum is 33.

The square root of 6713439 is about 2591.0304899788. The cubic root of 6713439 is about 188.6463249485.

The spelling of 6713439 in words is "six million, seven hundred thirteen thousand, four hundred thirty-nine".