13205235 has 8 divisors (see below), whose sum is σ = 21128400. Its totient is φ = 7042784.

The previous prime is 13205207. The next prime is 13205249. The reversal of 13205235 is 53250231.

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

It is a cyclic number.

It is not a de Polignac number, because 13205235 - 2¹⁰ = 13204211 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440160 + ... + 440189.

It is an arithmetic number, because the mean of its divisors is an integer number (2641050).

Almost surely, 2^13205235 is an apocalyptic number.

13205235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13205235 is a deficient number, since it is larger than the sum of its proper divisors (7923165).

13205235 is an equidigital number, since it uses as much as digits as its factorization.

13205235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880357.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13205235 is about 3633.9007966647. The cubic root of 13205235 is about 236.3643884905.

Adding to 13205235 its reverse (53250231), we get a palindrome (66455466).

It can be divided in two parts, 1320 and 5235, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 13205235 in words is "thirteen million, two hundred five thousand, two hundred thirty-five".