12756285 has 24 divisors (see below), whose sum is σ = 22932000. Its totient is φ = 6802704.

The previous prime is 12756253. The next prime is 12756311. The reversal of 12756285 is 58265721.

It is a happy number.

12756285 is a `hidden beast` number, since 1 + 27 + 5 + 628 + 5 = 666.

12756285 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 12756285 - 2⁵ = 12756253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4035 + ... + 6464.

It is an arithmetic number, because the mean of its divisors is an integer number (955500).

Almost surely, 2^12756285 is an apocalyptic number.

12756285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12756285 is a deficient number, since it is larger than the sum of its proper divisors (10175715).

12756285 is an equidigital number, since it uses as much as digits as its factorization.

12756285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10519 (or 10507 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 12756285 is about 3571.5941818745. The cubic root of 12756285 is about 233.6548164991.

It can be divided in two parts, 12756 and 285, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 12756285 in words is "twelve million, seven hundred fifty-six thousand, two hundred eighty-five".