12643053 has 16 divisors (see below), whose sum is σ = 17974080. Its totient is φ = 7877376.

The previous prime is 12643049. The next prime is 12643109. The reversal of 12643053 is 35034621.

It is a happy number.

It is not a de Polignac number, because 12643053 - 2² = 12643049 is a prime.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7218 + ... + 8796.

It is an arithmetic number, because the mean of its divisors is an integer number (1123380).

Almost surely, 2^12643053 is an apocalyptic number.

It is an amenable number.

12643053 is a deficient number, since it is larger than the sum of its proper divisors (5331027).

12643053 is a wasteful number, since it uses less digits than its factorization.

12643053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 12643053 is about 3555.7071026731. The cubic root of 12643053 is about 232.9614099794.

Adding to 12643053 its reverse (35034621), we get a palindrome (47677674).

The spelling of 12643053 in words is "twelve million, six hundred forty-three thousand, fifty-three".