13404835 has 4 divisors (see below), whose sum is σ = 16085808. Its totient is φ = 10723864.

The previous prime is 13404829. The next prime is 13404877. The reversal of 13404835 is 53840431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13404835 - 2¹¹ = 13402787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340479 + ... + 1340488.

It is an arithmetic number, because the mean of its divisors is an integer number (4021452).

Almost surely, 2^13404835 is an apocalyptic number.

13404835 is a deficient number, since it is larger than the sum of its proper divisors (2680973).

13404835 is an equidigital number, since it uses as much as digits as its factorization.

13404835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680972.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 13404835 is about 3661.2613946562. The cubic root of 13404835 is about 237.5493378570.

The spelling of 13404835 in words is "thirteen million, four hundred four thousand, eight hundred thirty-five".