12281092 has 6 divisors (see below), whose sum is σ = 21491918. Its totient is φ = 6140544.

The previous prime is 12281063. The next prime is 12281111. The reversal of 12281092 is 29018221.

It can be written as a sum of positive squares in only one way, i.e., 11062276 + 1218816 = 3326^2 + 1104^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1535133 + ... + 1535140.

Almost surely, 2^12281092 is an apocalyptic number.

It is an amenable number.

12281092 is a deficient number, since it is larger than the sum of its proper divisors (9210826).

12281092 is a wasteful number, since it uses less digits than its factorization.

12281092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070277 (or 3070275 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12281092 is about 3504.4388994531. The cubic root of 12281092 is about 230.7166806953.

The spelling of 12281092 in words is "twelve million, two hundred eighty-one thousand, ninety-two".