12929135 has 4 divisors (see below), whose sum is σ = 15514968. Its totient is φ = 10343304.

The previous prime is 12929117. The next prime is 12929141. The reversal of 12929135 is 53192921.

12929135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53192921 = 151 ⋅352271.

It is a cyclic number.

It is not a de Polignac number, because 12929135 - 2²⁰ = 11880559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292909 + ... + 1292918.

It is an arithmetic number, because the mean of its divisors is an integer number (3878742).

Almost surely, 2^12929135 is an apocalyptic number.

12929135 is a deficient number, since it is larger than the sum of its proper divisors (2585833).

12929135 is an equidigital number, since it uses as much as digits as its factorization.

12929135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585832.

The product of its digits is 4860, while the sum is 32.

The square root of 12929135 is about 3595.7106390810. The cubic root of 12929135 is about 234.7054405072.

The spelling of 12929135 in words is "twelve million, nine hundred twenty-nine thousand, one hundred thirty-five".