712209 has 8 divisors (see below), whose sum is σ = 971872. Its totient is φ = 463680.

The previous prime is 712199. The next prime is 712219. The reversal of 712209 is 902217.

It is a happy number.

712209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (712199) and next prime (712219).

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

It is not a de Polignac number, because 712209 - 2¹³ = 704017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712219) 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, 2632 + ... + 2889.

It is an arithmetic number, because the mean of its divisors is an integer number (121484).

2⁷¹²²⁰⁹ is an apocalyptic number.

It is an amenable number.

712209 is a deficient number, since it is larger than the sum of its proper divisors (259663).

712209 is a wasteful number, since it uses less digits than its factorization.

712209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 712209 is about 843.9247596794. The cubic root of 712209 is about 89.3036382454.

The spelling of 712209 in words is "seven hundred twelve thousand, two hundred nine".