12387226 has 8 divisors (see below), whose sum is σ = 18976320. Its totient is φ = 6061788.

The previous prime is 12387217. The next prime is 12387233. The reversal of 12387226 is 62278321.

12387226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65796 + ... + 65983.

It is an arithmetic number, because the mean of its divisors is an integer number (2372040).

Almost surely, 2^12387226 is an apocalyptic number.

12387226 is a deficient number, since it is larger than the sum of its proper divisors (6589094).

12387226 is a wasteful number, since it uses less digits than its factorization.

12387226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131828.

The product of its digits is 8064, while the sum is 31.

The square root of 12387226 is about 3519.5491188503. The cubic root of 12387226 is about 231.3793981430.

It can be divided in two parts, 1238 and 7226, that added together give a square (8464 = 92²).

The spelling of 12387226 in words is "twelve million, three hundred eighty-seven thousand, two hundred twenty-six".