12985575 has 12 divisors (see below), whose sum is σ = 21469608. Its totient is φ = 6925600.

The previous prime is 12985549. The next prime is 12985597. The reversal of 12985575 is 57558921.

12985575 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12985575 - 2⁷ = 12985447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86496 + ... + 86645.

It is an arithmetic number, because the mean of its divisors is an integer number (1789134).

Almost surely, 2^12985575 is an apocalyptic number.

12985575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12985575 is a deficient number, since it is larger than the sum of its proper divisors (8484033).

12985575 is a wasteful number, since it uses less digits than its factorization.

12985575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173154 (or 173149 counting only the distinct ones).

The product of its digits is 126000, while the sum is 42.

The square root of 12985575 is about 3603.5503326581. The cubic root of 12985575 is about 235.0464673466.

The spelling of 12985575 in words is "twelve million, nine hundred eighty-five thousand, five hundred seventy-five".