6712989 has 8 divisors (see below), whose sum is σ = 9097632. Its totient is φ = 4401840.

The previous prime is 6712939. The next prime is 6712997. The reversal of 6712989 is 9892176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6712989 is a prime.

6712989 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6712989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6712939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18159 + ... + 18524.

It is an arithmetic number, because the mean of its divisors is an integer number (1137204).

Almost surely, 2^6712989 is an apocalyptic number.

It is an amenable number.

6712989 is a deficient number, since it is larger than the sum of its proper divisors (2384643).

6712989 is a wasteful number, since it uses less digits than its factorization.

6712989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36747.

The product of its digits is 54432, while the sum is 42.

The square root of 6712989 is about 2590.9436504872. The cubic root of 6712989 is about 188.6421098836.

The spelling of 6712989 in words is "six million, seven hundred twelve thousand, nine hundred eighty-nine".