12628143 has 20 divisors (see below), whose sum is σ = 20580648. Its totient is φ = 7652880.

The previous prime is 12628117. The next prime is 12628163. The reversal of 12628143 is 34182621.

It is not a de Polignac number, because 12628143 - 2⁸ = 12627887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12628163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6196 + ... + 7977.

Almost surely, 2^12628143 is an apocalyptic number.

12628143 is a deficient number, since it is larger than the sum of its proper divisors (7952505).

12628143 is a wasteful number, since it uses less digits than its factorization.

12628143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14196 (or 14187 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 12628143 is about 3553.6098547815. The cubic root of 12628143 is about 232.8697965340.

The spelling of 12628143 in words is "twelve million, six hundred twenty-eight thousand, one hundred forty-three".