33606012 has 48 divisors (see below), whose sum is σ = 88502400. Its totient is φ = 9831360.

The previous prime is 33606011. The next prime is 33606017. The reversal of 33606012 is 21060633.

It is a super-2 number, since 2×33606012² = 2258728085088288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33606012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33606011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562 + ... + 8217.

It is an arithmetic number, because the mean of its divisors is an integer number (1843800).

Almost surely, 2^33606012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33606012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44251200).

33606012 is an abundant number, since it is smaller than the sum of its proper divisors (54896388).

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

33606012 is a wasteful number, since it uses less digits than its factorization.

33606012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8826 (or 8824 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 33606012 is about 5797.0692595483. The cubic root of 33606012 is about 322.7049739560.

Adding to 33606012 its reverse (21060633), we get a palindrome (54666645).

The spelling of 33606012 in words is "thirty-three million, six hundred six thousand, twelve".