36520012 has 24 divisors (see below), whose sum is σ = 69325200. Its totient is φ = 16765440.

The previous prime is 36520009. The next prime is 36520013. The reversal of 36520012 is 21002563.

It is a happy number.

It is a super-2 number, since 2×36520012² = 2667422552960288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36520013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3762 + ... + 9337.

It is an arithmetic number, because the mean of its divisors is an integer number (2888550).

Almost surely, 2^36520012 is an apocalyptic number.

It is an amenable number.

36520012 is a deficient number, since it is larger than the sum of its proper divisors (32805188).

36520012 is a wasteful number, since it uses less digits than its factorization.

36520012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13161 (or 13159 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 36520012 is about 6043.1789647503. The cubic root of 36520012 is about 331.7749842195.

Adding to 36520012 its reverse (21002563), we get a palindrome (57522575).

The spelling of 36520012 in words is "thirty-six million, five hundred twenty thousand, twelve".