9727213 has 8 divisors (see below), whose sum is σ = 10445760. Its totient is φ = 9024960.

The previous prime is 9727199. The next prime is 9727219. The reversal of 9727213 is 3127279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9727213 - 2⁵ = 9727181 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9727219) 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 7 ways as a sum of consecutive naturals, for example, 2823 + ... + 5236.

It is an arithmetic number, because the mean of its divisors is an integer number (1305720).

Almost surely, 2^9727213 is an apocalyptic number.

It is an amenable number.

9727213 is a deficient number, since it is larger than the sum of its proper divisors (718547).

9727213 is a wasteful number, since it uses less digits than its factorization.

9727213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147.

The product of its digits is 5292, while the sum is 31.

The square root of 9727213 is about 3118.8480245116. The cubic root of 9727213 is about 213.4663750756.

The spelling of 9727213 in words is "nine million, seven hundred twenty-seven thousand, two hundred thirteen".