12535985 has 16 divisors (see below), whose sum is σ = 18755712. Its totient is φ = 7814400.

The previous prime is 12535969. The next prime is 12536003. The reversal of 12535985 is 58953521.

It is not a de Polignac number, because 12535985 - 2⁴ = 12535969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15896 + ... + 16665.

It is an arithmetic number, because the mean of its divisors is an integer number (1172232).

Almost surely, 2^12535985 is an apocalyptic number.

It is an amenable number.

12535985 is a deficient number, since it is larger than the sum of its proper divisors (6219727).

12535985 is a wasteful number, since it uses less digits than its factorization.

12535985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32584.

The product of its digits is 54000, while the sum is 38.

The square root of 12535985 is about 3540.6192961119. The cubic root of 12535985 is about 232.3019317478.

The spelling of 12535985 in words is "twelve million, five hundred thirty-five thousand, nine hundred eighty-five".