13531235 has 8 divisors (see below), whose sum is σ = 17192736. Its totient is φ = 10188160.

The previous prime is 13531229. The next prime is 13531277. The reversal of 13531235 is 53213531.

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

It is not a de Polignac number, because 13531235 - 2⁶ = 13531171 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13531235.

It is an unprimeable number.

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, 79511 + ... + 79680.

It is an arithmetic number, because the mean of its divisors is an integer number (2149092).

Almost surely, 2^13531235 is an apocalyptic number.

13531235 is a deficient number, since it is larger than the sum of its proper divisors (3661501).

13531235 is a wasteful number, since it uses less digits than its factorization.

13531235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159213.

The product of its digits is 1350, while the sum is 23.

The square root of 13531235 is about 3678.4827035070. The cubic root of 13531235 is about 238.2936551331.

Adding to 13531235 its reverse (53213531), we get a palindrome (66744766).

The spelling of 13531235 in words is "thirteen million, five hundred thirty-one thousand, two hundred thirty-five".