12608281 has 8 divisors (see below), whose sum is σ = 14583744. Its totient is φ = 10676400.

The previous prime is 12608269. The next prime is 12608287. The reversal of 12608281 is 18280621.

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

It is not a de Polignac number, because 12608281 - 2⁵ = 12608249 is a prime.

It is a super-2 number, since 2×12608281² = 317937499549922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12608287) 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, 10270 + ... + 11431.

It is an arithmetic number, because the mean of its divisors is an integer number (1822968).

Almost surely, 2^12608281 is an apocalyptic number.

It is an amenable number.

12608281 is a deficient number, since it is larger than the sum of its proper divisors (1975463).

12608281 is an equidigital number, since it uses as much as digits as its factorization.

12608281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21791.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 12608281 is about 3550.8141319985. The cubic root of 12608281 is about 232.7476437903.

The spelling of 12608281 in words is "twelve million, six hundred eight thousand, two hundred eighty-one".