9147813 has 16 divisors (see below), whose sum is σ = 12804480. Its totient is φ = 5798144.

The previous prime is 9147811. The next prime is 9147823. The reversal of 9147813 is 3187419.

9147813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9147813 - 2¹ = 9147811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9147811) 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, 15793 + ... + 16361.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 2^9147813 is an apocalyptic number.

It is an amenable number.

9147813 is a deficient number, since it is larger than the sum of its proper divisors (3656667).

9147813 is a wasteful number, since it uses less digits than its factorization.

9147813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its digits is 6048, while the sum is 33.

The square root of 9147813 is about 3024.5351708982. The cubic root of 9147813 is about 209.1409578479.

The spelling of 9147813 in words is "nine million, one hundred forty-seven thousand, eight hundred thirteen".