12135075 has 24 divisors (see below), whose sum is σ = 20610288. Its totient is φ = 6295680.

The previous prime is 12135041. The next prime is 12135103. The reversal of 12135075 is 57053121.

12135075 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 12135075 - 2⁸ = 12134819 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 589 + ... + 4961.

It is an arithmetic number, because the mean of its divisors is an integer number (858762).

Almost surely, 2^12135075 is an apocalyptic number.

12135075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12135075 is a deficient number, since it is larger than the sum of its proper divisors (8475213).

12135075 is a wasteful number, since it uses less digits than its factorization.

12135075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423 (or 4418 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 12135075 is about 3483.5434545876. The cubic root of 12135075 is about 229.7986580753.

Adding to 12135075 its reverse (57053121), we get a palindrome (69188196).

It can be divided in two parts, 12 and 135075, that multiplied together give a triangular number (1620900 = T₁₈₀₀).

The spelling of 12135075 in words is "twelve million, one hundred thirty-five thousand, seventy-five".