9120513 has 8 divisors (see below), whose sum is σ = 12800800. Its totient is φ = 5760288.

The previous prime is 9120511. The next prime is 9120521. The reversal of 9120513 is 3150219.

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

It is not a de Polignac number, because 9120513 - 2¹ = 9120511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9120513.

It is not an unprimeable number, because it can be changed into a prime (9120511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79948 + ... + 80061.

It is an arithmetic number, because the mean of its divisors is an integer number (1600100).

Almost surely, 2^9120513 is an apocalyptic number.

It is an amenable number.

9120513 is a deficient number, since it is larger than the sum of its proper divisors (3680287).

9120513 is a wasteful number, since it uses less digits than its factorization.

9120513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160031.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 9120513 is about 3020.0187085513. The cubic root of 9120513 is about 208.9327027057.

The spelling of 9120513 in words is "nine million, one hundred twenty thousand, five hundred thirteen".