12455226 has 48 divisors (see below), whose sum is σ = 31606848. Its totient is φ = 3470400.

The previous prime is 12455221. The next prime is 12455227. The reversal of 12455226 is 62255421.

It is a super-2 number, since 2×12455226² = 310265309422152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12455226.

It is not an unprimeable number, because it can be changed into a prime (12455221) 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 23 ways as a sum of consecutive naturals, for example, 3961 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (658476).

Almost surely, 2^12455226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12455226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15803424).

12455226 is an abundant number, since it is smaller than the sum of its proper divisors (19151622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12455226 is a wasteful number, since it uses less digits than its factorization.

12455226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467 (or 2464 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 12455226 is about 3529.1962257715. The cubic root of 12455226 is about 231.8020135101.

The spelling of 12455226 in words is "twelve million, four hundred fifty-five thousand, two hundred twenty-six".