12733985 has 16 divisors (see below), whose sum is σ = 17079552. Its totient is φ = 9033600.

The previous prime is 12733961. The next prime is 12733997. The reversal of 12733985 is 58933721.

It is not a de Polignac number, because 12733985 - 2⁸ = 12733729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569 + ... + 5078.

It is an arithmetic number, because the mean of its divisors is an integer number (1067472).

Almost surely, 2^12733985 is an apocalyptic number.

It is an amenable number.

12733985 is a deficient number, since it is larger than the sum of its proper divisors (4345567).

12733985 is a wasteful number, since it uses less digits than its factorization.

12733985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704.

The product of its digits is 45360, while the sum is 38.

The square root of 12733985 is about 3568.4709610700. The cubic root of 12733985 is about 233.5185819130.

The spelling of 12733985 in words is "twelve million, seven hundred thirty-three thousand, nine hundred eighty-five".