12550226 has 32 divisors (see below), whose sum is σ = 21869568. Its totient is φ = 5353920.

The previous prime is 12550183. The next prime is 12550229. The reversal of 12550226 is 62205521.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (12550229) by changing a digit.

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, 18200 + ... + 18876.

It is an arithmetic number, because the mean of its divisors is an integer number (683424).

Almost surely, 2^12550226 is an apocalyptic number.

12550226 is a deficient number, since it is larger than the sum of its proper divisors (9319342).

12550226 is a wasteful number, since it uses less digits than its factorization.

12550226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 12550226 is about 3542.6298141353. The cubic root of 12550226 is about 232.3898642046.

Adding to 12550226 its reverse (62205521), we get a palindrome (74755747).

The spelling of 12550226 in words is "twelve million, five hundred fifty thousand, two hundred twenty-six".