9564013 has 4 divisors (see below), whose sum is σ = 10126620. Its totient is φ = 9001408.

The previous prime is 9564001. The next prime is 9564031. The reversal of 9564013 is 3104659.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3104659 = 17 ⋅182627.

It can be written as a sum of positive squares in 2 ways, for example, as 5866084 + 3697929 = 2422^2 + 1923^2 .

It is a cyclic number.

It is not a de Polignac number, because 9564013 - 2²¹ = 7466861 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9564043) 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, 281278 + ... + 281311.

It is an arithmetic number, because the mean of its divisors is an integer number (2531655).

Almost surely, 2^9564013 is an apocalyptic number.

It is an amenable number.

9564013 is a deficient number, since it is larger than the sum of its proper divisors (562607).

9564013 is a wasteful number, since it uses less digits than its factorization.

9564013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562606.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 9564013 is about 3092.5738471377. The cubic root of 9564013 is about 212.2658125949.

The spelling of 9564013 in words is "nine million, five hundred sixty-four thousand, thirteen".