33012036 has 42 divisors (see below), whose sum is σ = 86624622. Its totient is φ = 11003040.

The previous prime is 33012019. The next prime is 33012043. The reversal of 33012036 is 63021033.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21068100 + 11943936 = 4590^2 + 3456^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2745 + ... + 8576.

It is an arithmetic number, because the mean of its divisors is an integer number (2062491).

Almost surely, 2^33012036 is an apocalyptic number.

33012036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

33012036 is an abundant number, since it is smaller than the sum of its proper divisors (53612586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33012036 is a wasteful number, since it uses less digits than its factorization.

33012036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11343 (or 11326 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 33012036 is about 5745.6101503670. The cubic root of 33012036 is about 320.7924241012.

Adding to 33012036 its reverse (63021033), we get a palindrome (96033069).

The spelling of 33012036 in words is "thirty-three million, twelve thousand, thirty-six".