12522150 has 36 divisors (see below), whose sum is σ = 33644052. Its totient is φ = 3339120.

The previous prime is 12522137. The next prime is 12522157. The reversal of 12522150 is 5122521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522157) 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 17 ways as a sum of consecutive naturals, for example, 13464 + ... + 14363.

It is an arithmetic number, because the mean of its divisors is an integer number (934557).

Almost surely, 2^12522150 is an apocalyptic number.

12522150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12522150 is an abundant number, since it is smaller than the sum of its proper divisors (21121902).

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

12522150 is a wasteful number, since it uses less digits than its factorization.

12522150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27845 (or 27837 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 12522150 is about 3538.6650025115. The cubic root of 12522150 is about 232.2164423809.

Adding to 12522150 its reverse (5122521), we get a palindrome (17644671).

The spelling of 12522150 in words is "twelve million, five hundred twenty-two thousand, one hundred fifty".