12442293 has 6 divisors (see below), whose sum is σ = 17972214. Its totient is φ = 8294856.

The previous prime is 12442277. The next prime is 12442301. The reversal of 12442293 is 39224421.

12442293 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12341169 + 101124 = 3513^2 + 318^2 .

It is not a de Polignac number, because 12442293 - 2⁴ = 12442277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 691230 + ... + 691247.

It is an arithmetic number, because the mean of its divisors is an integer number (2995369).

Almost surely, 2^12442293 is an apocalyptic number.

It is an amenable number.

12442293 is a deficient number, since it is larger than the sum of its proper divisors (5529921).

12442293 is a wasteful number, since it uses less digits than its factorization.

12442293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382483 (or 1382480 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12442293 is about 3527.3634629848. The cubic root of 12442293 is about 231.7217544641.

The spelling of 12442293 in words is "twelve million, four hundred forty-two thousand, two hundred ninety-three".