12243194 has 8 divisors (see below), whose sum is σ = 18380628. Its totient is φ = 6116320.

The previous prime is 12243193. The next prime is 12243197. The reversal of 12243194 is 49134221.

It can be written as a sum of positive squares in 2 ways, for example, as 12145225 + 97969 = 3485^2 + 313^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12243193) 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, 1664 + ... + 5220.

Almost surely, 2^12243194 is an apocalyptic number.

12243194 is a deficient number, since it is larger than the sum of its proper divisors (6137434).

12243194 is a wasteful number, since it uses less digits than its factorization.

12243194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280.

The product of its digits is 1728, while the sum is 26.

The square root of 12243194 is about 3499.0275791997. The cubic root of 12243194 is about 230.4791146812.

The spelling of 12243194 in words is "twelve million, two hundred forty-three thousand, one hundred ninety-four".