712205113 has 4 divisors (see below), whose sum is σ = 736763940. Its totient is φ = 687646288.

The previous prime is 712205111. The next prime is 712205141. The reversal of 712205113 is 311502217.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311502217 = 13 ⋅23961709.

It can be written as a sum of positive squares in 2 ways, for example, as 560126889 + 152078224 = 23667^2 + 12332^2 .

It is a cyclic number.

It is not a de Polignac number, because 712205113 - 2¹ = 712205111 is a prime.

It is a super-2 number, since 2×712205113² = 1014472245966685538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712205111) 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, 12279370 + ... + 12279427.

It is an arithmetic number, because the mean of its divisors is an integer number (184190985).

Almost surely, 2^712205113 is an apocalyptic number.

It is an amenable number.

712205113 is a deficient number, since it is larger than the sum of its proper divisors (24558827).

712205113 is a wasteful number, since it uses less digits than its factorization.

712205113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24558826.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 712205113 is about 26687.1713188191. The cubic root of 712205113 is about 893.0347578188.

The spelling of 712205113 in words is "seven hundred twelve million, two hundred five thousand, one hundred thirteen".