12539285 has 16 divisors (see below), whose sum is σ = 17381952. Its totient is φ = 8582400.

The previous prime is 12539279. The next prime is 12539309. The reversal of 12539285 is 58293521.

It is not a de Polignac number, because 12539285 - 2⁸ = 12539029 is a prime.

It is a super-3 number, since 3×12539285³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent 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, 5771 + ... + 7640.

It is an arithmetic number, because the mean of its divisors is an integer number (1086372).

Almost surely, 2^12539285 is an apocalyptic number.

It is an amenable number.

12539285 is a deficient number, since it is larger than the sum of its proper divisors (4842667).

12539285 is a wasteful number, since it uses less digits than its factorization.

12539285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13444.

The product of its digits is 21600, while the sum is 35.

The square root of 12539285 is about 3541.0852856151. The cubic root of 12539285 is about 232.3223138483.

The spelling of 12539285 in words is "twelve million, five hundred thirty-nine thousand, two hundred eighty-five".