12661044 has 24 divisors (see below), whose sum is σ = 32228448. Its totient is φ = 3836640.

The previous prime is 12661043. The next prime is 12661091. The reversal of 12661044 is 44016621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12661043) 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, 47827 + ... + 48090.

It is an arithmetic number, because the mean of its divisors is an integer number (1342852).

Almost surely, 2^12661044 is an apocalyptic number.

It is an amenable number.

12661044 is an abundant number, since it is smaller than the sum of its proper divisors (19567404).

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

12661044 is a wasteful number, since it uses less digits than its factorization.

12661044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95935 (or 95933 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12661044 is about 3558.2360798575. The cubic root of 12661044 is about 233.0718585732.

Adding to 12661044 its reverse (44016621), we get a palindrome (56677665).

The spelling of 12661044 in words is "twelve million, six hundred sixty-one thousand, forty-four".