36013213 has 4 divisors (see below), whose sum is σ = 36332028. Its totient is φ = 35694400.

The previous prime is 36013207. The next prime is 36013223. The reversal of 36013213 is 31231063.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7689529 + 28323684 = 2773^2 + 5322^2 .

It is a cyclic number.

It is not a de Polignac number, because 36013213 - 2⁵ = 36013181 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 (36013223) 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 3 ways as a sum of consecutive naturals, for example, 159238 + ... + 159463.

It is an arithmetic number, because the mean of its divisors is an integer number (9083007).

Almost surely, 2^36013213 is an apocalyptic number.

It is an amenable number.

36013213 is a deficient number, since it is larger than the sum of its proper divisors (318815).

36013213 is a wasteful number, since it uses less digits than its factorization.

36013213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318814.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 36013213 is about 6001.1009823198. The cubic root of 36013213 is about 330.2331165823.

Adding to 36013213 its reverse (31231063), we get a palindrome (67244276).

The spelling of 36013213 in words is "thirty-six million, thirteen thousand, two hundred thirteen".