12789075 has 36 divisors (see below), whose sum is σ = 22918920. Its totient is φ = 6289920.

The previous prime is 12789061. The next prime is 12789097. The reversal of 12789075 is 57098721.

It is not a de Polignac number, because 12789075 - 2⁹ = 12788563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 12171 + ... + 13179.

Almost surely, 2^12789075 is an apocalyptic number.

12789075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12789075 is a deficient number, since it is larger than the sum of its proper divisors (10129845).

12789075 is a wasteful number, since it uses less digits than its factorization.

12789075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 12789075 is about 3576.1816229045. The cubic root of 12789075 is about 233.8548482516.

The spelling of 12789075 in words is "twelve million, seven hundred eighty-nine thousand, seventy-five".