36021013 has 16 divisors (see below), whose sum is σ = 43188480. Its totient is φ = 29373696.

The previous prime is 36020993. The next prime is 36021023. The reversal of 36021013 is 31012063.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36021013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36021023) 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 15 ways as a sum of consecutive naturals, for example, 36381 + ... + 37357.

It is an arithmetic number, because the mean of its divisors is an integer number (2699280).

Almost surely, 2^36021013 is an apocalyptic number.

It is an amenable number.

36021013 is a deficient number, since it is larger than the sum of its proper divisors (7167467).

36021013 is a wasteful number, since it uses less digits than its factorization.

36021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 36021013 is about 6001.7508278835. The cubic root of 36021013 is about 330.2569562803.

Adding to 36021013 its reverse (31012063), we get a palindrome (67033076).

The spelling of 36021013 in words is "thirty-six million, twenty-one thousand, thirteen".