13009784 has 16 divisors (see below), whose sum is σ = 24439320. Its totient is φ = 6492640.

The previous prime is 13009781. The next prime is 13009807. The reversal of 13009784 is 48790031.

It is a self number, because there is not a number n which added to its sum of digits gives 13009784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13009781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4274 + ... + 6654.

Almost surely, 2^13009784 is an apocalyptic number.

It is an amenable number.

13009784 is a deficient number, since it is larger than the sum of its proper divisors (11429536).

13009784 is a wasteful number, since it uses less digits than its factorization.

13009784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070 (or 3066 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 13009784 is about 3606.9078169535. The cubic root of 13009784 is about 235.1924423351.

The spelling of 13009784 in words is "thirteen million, nine thousand, seven hundred eighty-four".