9747213 has 16 divisors (see below), whose sum is σ = 15106560. Its totient is φ = 5474736.

The previous prime is 9747203. The next prime is 9747223. The reversal of 9747213 is 3127479.

9747213 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9747203) and next prime (9747223).

It is not a de Polignac number, because 9747213 - 2⁶ = 9747149 is a prime.

It is a super-2 number, since 2×9747213² = 190016322534738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9747203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2695 + ... + 5172.

It is an arithmetic number, because the mean of its divisors is an integer number (944160).

Almost surely, 2^9747213 is an apocalyptic number.

It is an amenable number.

9747213 is a deficient number, since it is larger than the sum of its proper divisors (5359347).

9747213 is a wasteful number, since it uses less digits than its factorization.

9747213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936.

The product of its digits is 10584, while the sum is 33.

The square root of 9747213 is about 3122.0526901383. The cubic root of 9747213 is about 213.6125767609.

The spelling of 9747213 in words is "nine million, seven hundred forty-seven thousand, two hundred thirteen".