712989 has 8 divisors (see below), whose sum is σ = 1056320. Its totient is φ = 475308.

The previous prime is 712981. The next prime is 713021. The reversal of 712989 is 989217.

It is a happy number.

712989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 712989 - 2³ = 712981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712981) 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, 13177 + ... + 13230.

It is an arithmetic number, because the mean of its divisors is an integer number (132040).

2⁷¹²⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

712989 is a deficient number, since it is larger than the sum of its proper divisors (343331).

712989 is a wasteful number, since it uses less digits than its factorization.

712989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26416 (or 26410 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 712989 is about 844.3867597257. The cubic root of 712989 is about 89.3362276605.

It can be divided in two parts, 7 and 12989, that added together give a square (12996 = 114²).

The spelling of 712989 in words is "seven hundred twelve thousand, nine hundred eighty-nine".