12985933 has 6 divisors (see below), whose sum is σ = 13118154. Its totient is φ = 12855024.

The previous prime is 12985919. The next prime is 12985969. The reversal of 12985933 is 33958921.

12985933 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 8311689 + 4674244 = 2883^2 + 2162^2 .

It is not a de Polignac number, because 12985933 - 2⁹ = 12985421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12985033) 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 5 ways as a sum of consecutive naturals, for example, 11335 + ... + 12427.

It is an arithmetic number, because the mean of its divisors is an integer number (2186359).

Almost surely, 2^12985933 is an apocalyptic number.

It is an amenable number.

12985933 is a deficient number, since it is larger than the sum of its proper divisors (132221).

12985933 is an equidigital number, since it uses as much as digits as its factorization.

12985933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311 (or 1202 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 12985933 is about 3603.6000055500. The cubic root of 12985933 is about 235.0486273296.

The spelling of 12985933 in words is "twelve million, nine hundred eighty-five thousand, nine hundred thirty-three".