712215 has 72 divisors (see below), whose sum is σ = 1600560. Its totient is φ = 290304.

The previous prime is 712199. The next prime is 712219. The reversal of 712215 is 512217.

It is not a de Polignac number, because 712215 - 2⁴ = 712199 is a prime.

712215 is a lucky number.

It is a congruent 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 71 ways as a sum of consecutive naturals, for example, 37476 + ... + 37494.

It is an arithmetic number, because the mean of its divisors is an integer number (22230).

2⁷¹²²¹⁵ is an apocalyptic number.

712215 is an abundant number, since it is smaller than the sum of its proper divisors (888345).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

712215 is a wasteful number, since it uses less digits than its factorization.

712215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 51 counting only the distinct ones).

The product of its digits is 140, while the sum is 18.

The square root of 712215 is about 843.9283144912. The cubic root of 712215 is about 89.3038890240.

The spelling of 712215 in words is "seven hundred twelve thousand, two hundred fifteen".