12789975 has 48 divisors (see below), whose sum is σ = 23748480. Its totient is φ = 6019200.

The previous prime is 12789971. The next prime is 12789977. The reversal of 12789975 is 57998721.

12789975 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12789975 - 2² = 12789971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12789971) 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, 30316 + ... + 30734.

It is an arithmetic number, because the mean of its divisors is an integer number (494760).

Almost surely, 2^12789975 is an apocalyptic number.

12789975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12789975 is a deficient number, since it is larger than the sum of its proper divisors (10958505).

12789975 is a wasteful number, since it uses less digits than its factorization.

12789975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 475 counting only the distinct ones).

The product of its digits is 317520, while the sum is 48.

The square root of 12789975 is about 3576.3074532260. The cubic root of 12789975 is about 233.8603337781.

It can be divided in two parts, 12 and 789975, that added together give a palindrome (789987).

The spelling of 12789975 in words is "twelve million, seven hundred eighty-nine thousand, nine hundred seventy-five".