12835405 has 8 divisors (see below), whose sum is σ = 16802784. Its totient is φ = 9334800.

The previous prime is 12835397. The next prime is 12835409. The reversal of 12835405 is 50453821.

12835405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12835405 - 2³ = 12835397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12835409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116631 + ... + 116740.

It is an arithmetic number, because the mean of its divisors is an integer number (2100348).

Almost surely, 2^12835405 is an apocalyptic number.

It is an amenable number.

12835405 is a deficient number, since it is larger than the sum of its proper divisors (3967379).

12835405 is a wasteful number, since it uses less digits than its factorization.

12835405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233387.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 12835405 is about 3582.6533463343. The cubic root of 12835405 is about 234.1368972737.

The spelling of 12835405 in words is "twelve million, eight hundred thirty-five thousand, four hundred five".