12042881 has 8 divisors (see below), whose sum is σ = 12386880. Its totient is φ = 11701872.

The previous prime is 12042847. The next prime is 12042887. The reversal of 12042881 is 18824021.

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

It is a cyclic number.

It is not a de Polignac number, because 12042881 - 2¹⁸ = 11780737 is a prime.

It is a super-2 number, since 2×12042881² = 290061965560322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12042881.

It is not an unprimeable number, because it can be changed into a prime (12042887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9236 + ... + 10458.

It is an arithmetic number, because the mean of its divisors is an integer number (1548360).

Almost surely, 2^12042881 is an apocalyptic number.

It is an amenable number.

12042881 is a deficient number, since it is larger than the sum of its proper divisors (343999).

12042881 is a wasteful number, since it uses less digits than its factorization.

12042881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 12042881 is about 3470.2854349462. The cubic root of 12042881 is about 229.2152270574.

The spelling of 12042881 in words is "twelve million, forty-two thousand, eight hundred eighty-one".