12369226 has 4 divisors (see below), whose sum is σ = 18553842. Its totient is φ = 6184612.

The previous prime is 12369223. The next prime is 12369233. The reversal of 12369226 is 62296321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62296321 = 29 ⋅2148149.

It can be written as a sum of positive squares in only one way, i.e., 12257001 + 112225 = 3501^2 + 335^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12369221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3092305 + ... + 3092308.

Almost surely, 2^12369226 is an apocalyptic number.

12369226 is a deficient number, since it is larger than the sum of its proper divisors (6184616).

12369226 is an equidigital number, since it uses as much as digits as its factorization.

12369226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184615.

The product of its digits is 7776, while the sum is 31.

The square root of 12369226 is about 3516.9910434916. The cubic root of 12369226 is about 231.2672705874.

The spelling of 12369226 in words is "twelve million, three hundred sixty-nine thousand, two hundred twenty-six".