12452143 has 12 divisors (see below), whose sum is σ = 14433912. Its totient is φ = 10651520.

The previous prime is 12452137. The next prime is 12452147. The reversal of 12452143 is 34125421.

12452143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12452143 is a prime.

It is a super-3 number, since 3×12452143³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12452147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1221 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (1202826).

Almost surely, 2^12452143 is an apocalyptic number.

12452143 is a deficient number, since it is larger than the sum of its proper divisors (1981769).

12452143 is a wasteful number, since it uses less digits than its factorization.

12452143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962 (or 3945 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 12452143 is about 3528.7594137317. The cubic root of 12452143 is about 231.7828862088.

Adding to 12452143 its reverse (34125421), we get a palindrome (46577564).

The spelling of 12452143 in words is "twelve million, four hundred fifty-two thousand, one hundred forty-three".