12242293 has 4 divisors (see below), whose sum is σ = 13991200. Its totient is φ = 10493388.

The previous prime is 12242291. The next prime is 12242309. The reversal of 12242293 is 39224221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12242293 - 2¹ = 12242291 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 (12242291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874443 + ... + 874456.

It is an arithmetic number, because the mean of its divisors is an integer number (3497800).

Almost surely, 2^12242293 is an apocalyptic number.

It is an amenable number.

12242293 is a deficient number, since it is larger than the sum of its proper divisors (1748907).

12242293 is an equidigital number, since it uses as much as digits as its factorization.

12242293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748906.

The product of its digits is 1728, while the sum is 25.

The square root of 12242293 is about 3498.8988267739. The cubic root of 12242293 is about 230.4734607433.

The spelling of 12242293 in words is "twelve million, two hundred forty-two thousand, two hundred ninety-three".