12798135 has 64 divisors (see below), whose sum is σ = 26956800. Its totient is φ = 5636736.

The previous prime is 12798131. The next prime is 12798151. The reversal of 12798135 is 53189721.

12798135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12798135 - 2² = 12798131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12798135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12798131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27172 + ... + 27638.

It is an arithmetic number, because the mean of its divisors is an integer number (421200).

Almost surely, 2^12798135 is an apocalyptic number.

12798135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12798135 is an abundant number, since it is smaller than the sum of its proper divisors (14158665).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12798135 is a wasteful number, since it uses less digits than its factorization.

12798135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 511 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 12798135 is about 3577.4481128313. The cubic root of 12798135 is about 233.9100574780.

The spelling of 12798135 in words is "twelve million, seven hundred ninety-eight thousand, one hundred thirty-five".