12643083 has 12 divisors (see below), whose sum is σ = 18325008. Its totient is φ = 8399760.

The previous prime is 12643049. The next prime is 12643109. The reversal of 12643083 is 38034621.

It is a happy number.

12643083 is a `hidden beast` number, since 12 + 643 + 0 + 8 + 3 = 666.

It is not a de Polignac number, because 12643083 - 2⁸ = 12642827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12643003) 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 11 ways as a sum of consecutive naturals, for example, 541 + ... + 5057.

It is an arithmetic number, because the mean of its divisors is an integer number (1527084).

Almost surely, 2^12643083 is an apocalyptic number.

12643083 is a deficient number, since it is larger than the sum of its proper divisors (5681925).

12643083 is a wasteful number, since it uses less digits than its factorization.

12643083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834 (or 4831 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 12643083 is about 3555.7113212408. The cubic root of 12643083 is about 232.9615942397.

The spelling of 12643083 in words is "twelve million, six hundred forty-three thousand, eighty-three".