13605513 has 8 divisors (see below), whose sum is σ = 18526848. Its totient is φ = 8877264.

The previous prime is 13605499. The next prime is 13605533. The reversal of 13605513 is 31550631.

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

It is not a de Polignac number, because 13605513 - 2¹² = 13601417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13605533) 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, 48106 + ... + 48387.

It is an arithmetic number, because the mean of its divisors is an integer number (2315856).

Almost surely, 2^13605513 is an apocalyptic number.

It is an amenable number.

13605513 is a deficient number, since it is larger than the sum of its proper divisors (4921335).

13605513 is an equidigital number, since it uses as much as digits as its factorization.

13605513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96543.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 13605513 is about 3688.5651681921. The cubic root of 13605513 is about 238.7288873265.

The spelling of 13605513 in words is "thirteen million, six hundred five thousand, five hundred thirteen".