12205044 has 36 divisors (see below), whose sum is σ = 31607940. Its totient is φ = 3968640.

The previous prime is 12205033. The next prime is 12205069. The reversal of 12205044 is 44050221.

It can be written as a sum of positive squares in 2 ways, for example, as 5702544 + 6502500 = 2388^2 + 2550^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2659 + ... + 5610.

Almost surely, 2^12205044 is an apocalyptic number.

It is an amenable number.

12205044 is an abundant number, since it is smaller than the sum of its proper divisors (19402896).

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

12205044 is a wasteful number, since it uses less digits than its factorization.

12205044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8320 (or 8315 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 12205044 is about 3493.5718111984. The cubic root of 12205044 is about 230.2394733239.

Adding to 12205044 its reverse (44050221), we get a palindrome (56255265).

The spelling of 12205044 in words is "twelve million, two hundred five thousand, forty-four".