12522044 has 12 divisors (see below), whose sum is σ = 22178184. Its totient is φ = 6185424.

The previous prime is 12522043. The next prime is 12522067. The reversal of 12522044 is 44022521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522043) 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 3 ways as a sum of consecutive naturals, for example, 18527 + ... + 19190.

It is an arithmetic number, because the mean of its divisors is an integer number (1848182).

Almost surely, 2^12522044 is an apocalyptic number.

It is an amenable number.

12522044 is a deficient number, since it is larger than the sum of its proper divisors (9656140).

12522044 is a wasteful number, since it uses less digits than its factorization.

12522044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37804 (or 37802 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 12522044 is about 3538.6500250802. The cubic root of 12522044 is about 232.2157871417.

Adding to 12522044 its reverse (44022521), we get a palindrome (56544565).

The spelling of 12522044 in words is "twelve million, five hundred twenty-two thousand, forty-four".