196581713 has 4 divisors (see below), whose sum is σ = 205128768. Its totient is φ = 188034660.

The previous prime is 196581709. The next prime is 196581719. The reversal of 196581713 is 317185691.

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: 317185691 = 6689 ⋅47419.

It is not a de Polignac number, because 196581713 - 2² = 196581709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196581719) 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, 4273493 + ... + 4273538.

It is an arithmetic number, because the mean of its divisors is an integer number (51282192).

Almost surely, 2^196581713 is an apocalyptic number.

It is an amenable number.

196581713 is a deficient number, since it is larger than the sum of its proper divisors (8547055).

196581713 is an equidigital number, since it uses as much as digits as its factorization.

196581713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547054.

The product of its digits is 45360, while the sum is 41.

The square root of 196581713 is about 14020.7600721216. The cubic root of 196581713 is about 581.4526734856.

The spelling of 196581713 in words is "one hundred ninety-six million, five hundred eighty-one thousand, seven hundred thirteen".