36786213 has 6 divisors (see below), whose sum is σ = 53135654. Its totient is φ = 24524136.

The previous prime is 36786203. The next prime is 36786221. The reversal of 36786213 is 31268763.

It is a happy number.

36786213 is a `hidden beast` number, since 367 + 86 + 213 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36759969 + 26244 = 6063^2 + 162^2 .

It is not a de Polignac number, because 36786213 - 2¹⁷ = 36655141 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 (36786203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2043670 + ... + 2043687.

Almost surely, 2^36786213 is an apocalyptic number.

It is an amenable number.

36786213 is a deficient number, since it is larger than the sum of its proper divisors (16349441).

36786213 is a wasteful number, since it uses less digits than its factorization.

36786213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087363 (or 4087360 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 36786213 is about 6065.1638889646. The cubic root of 36786213 is about 332.5791561595.

The spelling of 36786213 in words is "thirty-six million, seven hundred eighty-six thousand, two hundred thirteen".