12044557 has 8 divisors (see below), whose sum is σ = 13887936. Its totient is φ = 10231872.

The previous prime is 12044519. The next prime is 12044563. The reversal of 12044557 is 75544021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12044557 - 2¹⁵ = 12011789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12044567) by changing a digit.

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, 6823 + ... + 8404.

It is an arithmetic number, because the mean of its divisors is an integer number (1735992).

Almost surely, 2^12044557 is an apocalyptic number.

It is an amenable number.

12044557 is a deficient number, since it is larger than the sum of its proper divisors (1843379).

12044557 is a wasteful number, since it uses less digits than its factorization.

12044557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15347.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 12044557 is about 3470.5269052408. The cubic root of 12044557 is about 229.2258598093.

Adding to 12044557 its reverse (75544021), we get a palindrome (87588578).

It can be divided in two parts, 120445 and 57, that multiplied together give a triangular number (6865365 = T₃₇₀₅).

The spelling of 12044557 in words is "twelve million, forty-four thousand, five hundred fifty-seven".