712315213 has 4 divisors (see below), whose sum is σ = 720897408. Its totient is φ = 703733020.

The previous prime is 712315207. The next prime is 712315259. The reversal of 712315213 is 312513217.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312513217 = 163 ⋅1917259.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-712315213 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 (712355213) 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, 4290973 + ... + 4291138.

It is an arithmetic number, because the mean of its divisors is an integer number (180224352).

Almost surely, 2^712315213 is an apocalyptic number.

It is an amenable number.

712315213 is a deficient number, since it is larger than the sum of its proper divisors (8582195).

712315213 is an equidigital number, since it uses as much as digits as its factorization.

712315213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8582194.

The product of its digits is 1260, while the sum is 25.

The square root of 712315213 is about 26689.2340279747. The cubic root of 712315213 is about 893.0807736171.

The spelling of 712315213 in words is "seven hundred twelve million, three hundred fifteen thousand, two hundred thirteen".