13365573 has 16 divisors (see below), whose sum is σ = 19427520. Its totient is φ = 8123904.

The previous prime is 13365571. The next prime is 13365577. The reversal of 13365573 is 37556331.

It is not a de Polignac number, because 13365573 - 2¹ = 13365571 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13365571) 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 15 ways as a sum of consecutive naturals, for example, 1173 + ... + 5301.

It is an arithmetic number, because the mean of its divisors is an integer number (1214220).

Almost surely, 2^13365573 is an apocalyptic number.

13365573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13365573 is a deficient number, since it is larger than the sum of its proper divisors (6061947).

13365573 is a wasteful number, since it uses less digits than its factorization.

13365573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228.

The product of its digits is 28350, while the sum is 33.

The square root of 13365573 is about 3655.8956494955. The cubic root of 13365573 is about 237.3171882209.

The spelling of 13365573 in words is "thirteen million, three hundred sixty-five thousand, five hundred seventy-three".