712312 has 16 divisors (see below), whose sum is σ = 1344600. Its totient is φ = 353760.

The previous prime is 712303. The next prime is 712319. The reversal of 712312 is 213217.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712319) by changing a digit.

712312 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987 + ... + 2317.

2⁷¹²³¹² is an apocalyptic number.

It is an amenable number.

712312 is a deficient number, since it is larger than the sum of its proper divisors (632288).

712312 is a wasteful number, since it uses less digits than its factorization.

712312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 602 counting only the distinct ones).

The product of its digits is 84, while the sum is 16.

The square root of 712312 is about 843.9857818708. The cubic root of 712312 is about 89.3079430825.

Adding to 712312 its reverse (213217), we get a palindrome (925529).

It can be divided in two parts, 712 and 312, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 712312 in words is "seven hundred twelve thousand, three hundred twelve", and thus it is an iban number.