13605013 has 8 divisors (see below), whose sum is σ = 13895936. Its totient is φ = 13316400.

The previous prime is 13604999. The next prime is 13605019. The reversal of 13605013 is 31050631.

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 13605013 - 2⁹ = 13604501 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 (13605019) 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, 16120 + ... + 16942.

It is an arithmetic number, because the mean of its divisors is an integer number (1736992).

Almost surely, 2^13605013 is an apocalyptic number.

It is an amenable number.

13605013 is a deficient number, since it is larger than the sum of its proper divisors (290923).

13605013 is an equidigital number, since it uses as much as digits as its factorization.

13605013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 13605013 is about 3688.4973905372. The cubic root of 13605013 is about 238.7259628771.

Adding to 13605013 its reverse (31050631), we get a palindrome (44655644).

The spelling of 13605013 in words is "thirteen million, six hundred five thousand, thirteen".