36087813 has 12 divisors (see below), whose sum is σ = 53808768. Its totient is φ = 23282280.

The previous prime is 36087811. The next prime is 36087823. The reversal of 36087813 is 31878063.

It is not a de Polignac number, because 36087813 - 2¹ = 36087811 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36087811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64395 + ... + 64952.

It is an arithmetic number, because the mean of its divisors is an integer number (4484064).

Almost surely, 2^36087813 is an apocalyptic number.

It is an amenable number.

36087813 is a deficient number, since it is larger than the sum of its proper divisors (17720955).

36087813 is a wasteful number, since it uses less digits than its factorization.

36087813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129384 (or 129381 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 36087813 is about 6007.3132929788. The cubic root of 36087813 is about 330.4609810943.

The spelling of 36087813 in words is "thirty-six million, eighty-seven thousand, eight hundred thirteen".