12525143 has 4 divisors (see below), whose sum is σ = 12532488. Its totient is φ = 12517800.

The previous prime is 12525137. The next prime is 12525157. The reversal of 12525143 is 34152521.

12525143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34152521 = 13 ⋅2627117.

It is a cyclic number.

It is not a de Polignac number, because 12525143 - 2⁴ = 12525127 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 (12525103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368 + ... + 5018.

It is an arithmetic number, because the mean of its divisors is an integer number (3133122).

Almost surely, 2^12525143 is an apocalyptic number.

12525143 is a deficient number, since it is larger than the sum of its proper divisors (7345).

12525143 is an equidigital number, since it uses as much as digits as its factorization.

12525143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7344.

The product of its digits is 1200, while the sum is 23.

The square root of 12525143 is about 3539.0878768406. The cubic root of 12525143 is about 232.2349420913.

Adding to 12525143 its reverse (34152521), we get a palindrome (46677664).

The spelling of 12525143 in words is "twelve million, five hundred twenty-five thousand, one hundred forty-three".