12457226 has 32 divisors (see below), whose sum is σ = 20901888. Its totient is φ = 5541120.

The previous prime is 12457219. The next prime is 12457301. The reversal of 12457226 is 62275421.

It is a happy number.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55751 + ... + 55973.

It is an arithmetic number, because the mean of its divisors is an integer number (653184).

Almost surely, 2^12457226 is an apocalyptic number.

12457226 is a deficient number, since it is larger than the sum of its proper divisors (8444662).

12457226 is a wasteful number, since it uses less digits than its factorization.

12457226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its digits is 6720, while the sum is 29.

The square root of 12457226 is about 3529.4795650350. The cubic root of 12457226 is about 231.8144200618.

The spelling of 12457226 in words is "twelve million, four hundred fifty-seven thousand, two hundred twenty-six".