712197396 has 18 divisors (see below), whose sum is σ = 1800276842. Its totient is φ = 237399120.

The previous prime is 712197391. The next prime is 712197397. The reversal of 712197396 is 693791217.

712197396 is a `hidden beast` number, since 71 + 2 + 197 + 396 = 666.

It can be written as a sum of positive squares in only one way, i.e., 411521796 + 300675600 = 20286^2 + 17340^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712197391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9891595 + ... + 9891666.

Almost surely, 2^712197396 is an apocalyptic number.

It is an amenable number.

712197396 is an abundant number, since it is smaller than the sum of its proper divisors (1088079446).

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

712197396 is a wasteful number, since it uses less digits than its factorization.

712197396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19783271 (or 19783266 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 712197396 is about 26687.0267358505. The cubic root of 712197396 is about 893.0315323556.

The spelling of 712197396 in words is "seven hundred twelve million, one hundred ninety-seven thousand, three hundred ninety-six".