12044845 has 4 divisors (see below), whose sum is σ = 14453820. Its totient is φ = 9635872.

The previous prime is 12044839. The next prime is 12044861. The reversal of 12044845 is 54844021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54844021 = 71 ⋅772451.

It can be written as a sum of positive squares in 2 ways, for example, as 1887876 + 10156969 = 1374^2 + 3187^2 .

It is a cyclic number.

It is not a de Polignac number, because 12044845 - 2¹⁷ = 11913773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204480 + ... + 1204489.

It is an arithmetic number, because the mean of its divisors is an integer number (3613455).

Almost surely, 2^12044845 is an apocalyptic number.

It is an amenable number.

12044845 is a deficient number, since it is larger than the sum of its proper divisors (2408975).

12044845 is an equidigital number, since it uses as much as digits as its factorization.

12044845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408974.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 12044845 is about 3470.5683972514. The cubic root of 12044845 is about 229.2276868178.

Adding to 12044845 its reverse (54844021), we get a palindrome (66888866).

The spelling of 12044845 in words is "twelve million, forty-four thousand, eight hundred forty-five".