12281093 has 8 divisors (see below), whose sum is σ = 13442016. Its totient is φ = 11127600.

The previous prime is 12281063. The next prime is 12281111. The reversal of 12281093 is 39018221.

12281093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12281093 - 2⁶ = 12281029 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 (12281063) 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, 1955 + ... + 5327.

It is an arithmetic number, because the mean of its divisors is an integer number (1680252).

Almost surely, 2^12281093 is an apocalyptic number.

It is an amenable number.

12281093 is a deficient number, since it is larger than the sum of its proper divisors (1160923).

12281093 is a wasteful number, since it uses less digits than its factorization.

12281093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12281093 is about 3504.4390421293. The cubic root of 12281093 is about 230.7166869574.

The spelling of 12281093 in words is "twelve million, two hundred eighty-one thousand, ninety-three".