13836073 has 4 divisors (see below), whose sum is σ = 13848660. Its totient is φ = 13823488.

The previous prime is 13836071. The next prime is 13836083. The reversal of 13836073 is 37063831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37063831 = 7 ⋅5294833.

It can be written as a sum of positive squares in 2 ways, for example, as 6290064 + 7546009 = 2508^2 + 2747^2 .

It is a cyclic number.

It is not a de Polignac number, because 13836073 - 2¹ = 13836071 is a prime.

It is a super-2 number, since 2×13836073² = 382873832122658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13836071) 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 3 ways as a sum of consecutive naturals, for example, 4468 + ... + 6901.

It is an arithmetic number, because the mean of its divisors is an integer number (3462165).

Almost surely, 2^13836073 is an apocalyptic number.

It is an amenable number.

13836073 is a deficient number, since it is larger than the sum of its proper divisors (12587).

13836073 is a wasteful number, since it uses less digits than its factorization.

13836073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12586.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 13836073 is about 3719.6872180333. The cubic root of 13836073 is about 240.0698465689.

The spelling of 13836073 in words is "thirteen million, eight hundred thirty-six thousand, seventy-three".