12001044 has 24 divisors (see below), whose sum is σ = 30548448. Its totient is φ = 3636640.

The previous prime is 12001037. The next prime is 12001051. The reversal of 12001044 is 44010021.

It is an interprime number because it is at equal distance from previous prime (12001037) and next prime (12001051).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45327 + ... + 45590.

It is an arithmetic number, because the mean of its divisors is an integer number (1272852).

Almost surely, 2^12001044 is an apocalyptic number.

It is an amenable number.

12001044 is an abundant number, since it is smaller than the sum of its proper divisors (18547404).

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

12001044 is a wasteful number, since it uses less digits than its factorization.

12001044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90935 (or 90933 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 12001044 is about 3464.2523002807. The cubic root of 12001044 is about 228.9494876607.

Adding to 12001044 its reverse (44010021), we get a palindrome (56011065).

The spelling of 12001044 in words is "twelve million, one thousand, forty-four".