13566013 has 8 divisors (see below), whose sum is σ = 14047232. Its totient is φ = 13090896.

The previous prime is 13565977. The next prime is 13566037. The reversal of 13566013 is 31066531.

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

It is not a de Polignac number, because 13566013 - 2¹³ = 13557821 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 (13566073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3256 + ... + 6142.

It is an arithmetic number, because the mean of its divisors is an integer number (1755904).

Almost surely, 2^13566013 is an apocalyptic number.

It is an amenable number.

13566013 is a deficient number, since it is larger than the sum of its proper divisors (481219).

13566013 is a wasteful number, since it uses less digits than its factorization.

13566013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 13566013 is about 3683.2068907407. The cubic root of 13566013 is about 238.4976347103.

The spelling of 13566013 in words is "thirteen million, five hundred sixty-six thousand, thirteen".