13530835 has 4 divisors (see below), whose sum is σ = 16237008. Its totient is φ = 10824664.

The previous prime is 13530833. The next prime is 13530857. The reversal of 13530835 is 53803531.

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 13530835 - 2¹ = 13530833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13530833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353079 + ... + 1353088.

It is an arithmetic number, because the mean of its divisors is an integer number (4059252).

Almost surely, 2^13530835 is an apocalyptic number.

13530835 is a deficient number, since it is larger than the sum of its proper divisors (2706173).

13530835 is an equidigital number, since it uses as much as digits as its factorization.

13530835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706172.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 13530835 is about 3678.4283328617. The cubic root of 13530835 is about 238.2913070251.

It can be divided in two parts, 13530 and 835, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 13530835 in words is "thirteen million, five hundred thirty thousand, eight hundred thirty-five".