12975135 has 16 divisors (see below), whose sum is σ = 20805120. Its totient is φ = 6905120.

The previous prime is 12975113. The next prime is 12975139. The reversal of 12975135 is 53157921.

It is not a de Polignac number, because 12975135 - 2¹² = 12971039 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12975096 and 12975105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12975139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12070 + ... + 13100.

It is an arithmetic number, because the mean of its divisors is an integer number (1300320).

Almost surely, 2^12975135 is an apocalyptic number.

12975135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12975135 is a deficient number, since it is larger than the sum of its proper divisors (7829985).

12975135 is a wasteful number, since it uses less digits than its factorization.

12975135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878.

The product of its digits is 9450, while the sum is 33.

The square root of 12975135 is about 3602.1014699755. The cubic root of 12975135 is about 234.9834604325.

The spelling of 12975135 in words is "twelve million, nine hundred seventy-five thousand, one hundred thirty-five".