13253605 has 8 divisors (see below), whose sum is σ = 16142112. Its totient is φ = 10444368.

The previous prime is 13253587. The next prime is 13253627. The reversal of 13253605 is 50635231.

It is a happy number.

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 13253605 - 2⁵ = 13253573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13253605.

It is a congruent 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, 19447 + ... + 20116.

It is an arithmetic number, because the mean of its divisors is an integer number (2017764).

Almost surely, 2^13253605 is an apocalyptic number.

It is an amenable number.

13253605 is a deficient number, since it is larger than the sum of its proper divisors (2888507).

13253605 is an equidigital number, since it uses as much as digits as its factorization.

13253605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39635.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 13253605 is about 3640.5500957960. The cubic root of 13253605 is about 236.6526331250.

Adding to 13253605 its reverse (50635231), we get a palindrome (63888836).

The spelling of 13253605 in words is "thirteen million, two hundred fifty-three thousand, six hundred five".