12357226 has 8 divisors (see below), whose sum is σ = 21183840. Its totient is φ = 5295948.

The previous prime is 12357209. The next prime is 12357229. The reversal of 12357226 is 62275321.

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

It is a junction number, because it is equal to n+sod(n) for n = 12357194 and 12357203.

It is not an unprimeable number, because it can be changed into a prime (12357229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441316 + ... + 441343.

It is an arithmetic number, because the mean of its divisors is an integer number (2647980).

Almost surely, 2^12357226 is an apocalyptic number.

12357226 is a deficient number, since it is larger than the sum of its proper divisors (8826614).

12357226 is an equidigital number, since it uses as much as digits as its factorization.

12357226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882668.

The product of its digits is 5040, while the sum is 28.

The square root of 12357226 is about 3515.2846257451. The cubic root of 12357226 is about 231.1924584370.

The spelling of 12357226 in words is "twelve million, three hundred fifty-seven thousand, two hundred twenty-six".