12008281 has 8 divisors (see below), whose sum is σ = 12237824. Its totient is φ = 11780640.

The previous prime is 12008261. The next prime is 12008351. The reversal of 12008281 is 18280021.

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 12008281 - 2¹⁷ = 11877209 is a prime.

It is a super-2 number, since 2×12008281² = 288397625149922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12008201) 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, 19480 + ... + 20086.

It is an arithmetic number, because the mean of its divisors is an integer number (1529728).

Almost surely, 2^12008281 is an apocalyptic number.

It is an amenable number.

12008281 is a deficient number, since it is larger than the sum of its proper divisors (229543).

12008281 is an equidigital number, since it uses as much as digits as its factorization.

12008281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 12008281 is about 3465.2966683965. The cubic root of 12008281 is about 228.9954996160.

The spelling of 12008281 in words is "twelve million, eight thousand, two hundred eighty-one".