13608235 has 8 divisors (see below), whose sum is σ = 16492176. Its totient is φ = 10778400.

The previous prime is 13608223. The next prime is 13608247. The reversal of 13608235 is 53280631.

It is an interprime number because it is at equal distance from previous prime (13608223) and next prime (13608247).

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

It is not a de Polignac number, because 13608235 - 2⁷ = 13608107 is a prime.

It is a Duffinian number.

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, 12969 + ... + 13978.

It is an arithmetic number, because the mean of its divisors is an integer number (2061522).

Almost surely, 2^13608235 is an apocalyptic number.

13608235 is a deficient number, since it is larger than the sum of its proper divisors (2883941).

13608235 is a wasteful number, since it uses less digits than its factorization.

13608235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27053.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 13608235 is about 3688.9341279020. The cubic root of 13608235 is about 238.7448067728.

Adding to 13608235 its reverse (53280631), we get a palindrome (66888866).

The spelling of 13608235 in words is "thirteen million, six hundred eight thousand, two hundred thirty-five".