712207213 has 4 divisors (see below), whose sum is σ = 743172768. Its totient is φ = 681241660.

The previous prime is 712207207. The next prime is 712207277. The reversal of 712207213 is 312702217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 712207213 - 2²⁵ = 678652781 is a prime.

It is a super-2 number, since 2×712207213² = 1014478228498454738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712207813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15482743 + ... + 15482788.

It is an arithmetic number, because the mean of its divisors is an integer number (185793192).

Almost surely, 2^712207213 is an apocalyptic number.

It is an amenable number.

712207213 is a deficient number, since it is larger than the sum of its proper divisors (30965555).

712207213 is a wasteful number, since it uses less digits than its factorization.

712207213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30965554.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 712207213 is about 26687.2106635369. The cubic root of 712207213 is about 893.0356355487.

The spelling of 712207213 in words is "seven hundred twelve million, two hundred seven thousand, two hundred thirteen".