12788265 has 48 divisors (see below), whose sum is σ = 24164352. Its totient is φ = 5757696.

The previous prime is 12788263. The next prime is 12788327. The reversal of 12788265 is 56288721.

It is not a de Polignac number, because 12788265 - 2¹ = 12788263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12788261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93277 + ... + 93413.

It is an arithmetic number, because the mean of its divisors is an integer number (503424).

Almost surely, 2^12788265 is an apocalyptic number.

12788265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12788265 is a deficient number, since it is larger than the sum of its proper divisors (11376087).

12788265 is a wasteful number, since it uses less digits than its factorization.

12788265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 279 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 12788265 is about 3576.0683718296. The cubic root of 12788265 is about 233.8499110578.

The spelling of 12788265 in words is "twelve million, seven hundred eighty-eight thousand, two hundred sixty-five".