13604365 has 8 divisors (see below), whose sum is σ = 16351488. Its totient is φ = 10866000.

The previous prime is 13604363. The next prime is 13604389. The reversal of 13604365 is 56340631.

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

It is not a de Polignac number, because 13604365 - 2¹ = 13604363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13604363) by changing a digit.

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, 1944 + ... + 5566.

It is an arithmetic number, because the mean of its divisors is an integer number (2043936).

Almost surely, 2^13604365 is an apocalyptic number.

It is an amenable number.

13604365 is a deficient number, since it is larger than the sum of its proper divisors (2747123).

13604365 is an equidigital number, since it uses as much as digits as its factorization.

13604365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 13604365 is about 3688.4095488435. The cubic root of 13604365 is about 238.7221726839.

Adding to 13604365 its reverse (56340631), we get a palindrome (69944996).

The spelling of 13604365 in words is "thirteen million, six hundred four thousand, three hundred sixty-five".