12522143 has 8 divisors (see below), whose sum is σ = 13106016. Its totient is φ = 11941600.

The previous prime is 12522137. The next prime is 12522157. The reversal of 12522143 is 34122521.

12522143 is digitally balanced in base 3, because in such base 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.

It is not a de Polignac number, because 12522143 - 2⁶ = 12522079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10013 + ... + 11193.

It is an arithmetic number, because the mean of its divisors is an integer number (1638252).

Almost surely, 2^12522143 is an apocalyptic number.

12522143 is a deficient number, since it is larger than the sum of its proper divisors (583873).

12522143 is a wasteful number, since it uses less digits than its factorization.

12522143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665.

The product of its digits is 480, while the sum is 20.

The square root of 12522143 is about 3538.6640134378. The cubic root of 12522143 is about 232.2163991105.

Adding to 12522143 its reverse (34122521), we get a palindrome (46644664).

The spelling of 12522143 in words is "twelve million, five hundred twenty-two thousand, one hundred forty-three".