12550022 has 16 divisors (see below), whose sum is σ = 19146672. Its totient is φ = 6168960.

The previous prime is 12550001. The next prime is 12550033. The reversal of 12550022 is 22005521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44522 + ... + 44802.

It is an arithmetic number, because the mean of its divisors is an integer number (1196667).

Almost surely, 2^12550022 is an apocalyptic number.

12550022 is a deficient number, since it is larger than the sum of its proper divisors (6596650).

12550022 is a wasteful number, since it uses less digits than its factorization.

12550022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 12550022 is about 3542.6010218482. The cubic root of 12550022 is about 232.3886050563.

Adding to 12550022 its reverse (22005521), we get a palindrome (34555543).

The spelling of 12550022 in words is "twelve million, five hundred fifty thousand, twenty-two".