12339285 has 16 divisors (see below), whose sum is σ = 22563456. Its totient is φ = 5640768.

The previous prime is 12339277. The next prime is 12339287. The reversal of 12339285 is 58293321.

It is not a de Polignac number, because 12339285 - 2³ = 12339277 is a prime.

It is a super-2 number, since 2×12339285² = 304515908622450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12339287) 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 15 ways as a sum of consecutive naturals, for example, 58654 + ... + 58863.

It is an arithmetic number, because the mean of its divisors is an integer number (1410216).

Almost surely, 2^12339285 is an apocalyptic number.

12339285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12339285 is a deficient number, since it is larger than the sum of its proper divisors (10224171).

12339285 is a wasteful number, since it uses less digits than its factorization.

12339285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117532.

The product of its digits is 12960, while the sum is 33.

The square root of 12339285 is about 3512.7318428824. The cubic root of 12339285 is about 231.0805176483.

The spelling of 12339285 in words is "twelve million, three hundred thirty-nine thousand, two hundred eighty-five".