12550422 has 8 divisors (see below), whose sum is σ = 25100856. Its totient is φ = 4183472.

The previous prime is 12550411. The next prime is 12550441. The reversal of 12550422 is 22405521.

It is a happy number.

12550422 is digitally balanced in base 2 and base 4, because in such bases 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.

12550422 is an admirable number.

It is a congruent number.

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, 1045863 + ... + 1045874.

It is an arithmetic number, because the mean of its divisors is an integer number (3137607).

Almost surely, 2^12550422 is an apocalyptic number.

12550422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12550422 is a wasteful number, since it uses less digits than its factorization.

12550422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091742.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 12550422 is about 3542.6574770926. The cubic root of 12550422 is about 232.3910739618.

Adding to 12550422 its reverse (22405521), we get a palindrome (34955943).

The spelling of 12550422 in words is "twelve million, five hundred fifty thousand, four hundred twenty-two".