13035643 has 2 divisors, whose sum is σ = 13035644. Its totient is φ = 13035642.

The previous prime is 13035629. The next prime is 13035647. The reversal of 13035643 is 34653031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13035643 - 2⁹ = 13035131 is a prime.

It is not a weakly prime, because it can be changed into another prime (13035647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6517821 + 6517822.

It is an arithmetic number, because the mean of its divisors is an integer number (6517822).

Almost surely, 2^13035643 is an apocalyptic number.

13035643 is a deficient number, since it is larger than the sum of its proper divisors (1).

13035643 is an equidigital number, since it uses as much as digits as its factorization.

13035643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 13035643 is about 3610.4906868735. The cubic root of 13035643 is about 235.3481665775.

Adding to 13035643 its reverse (34653031), we get a palindrome (47688674).

The spelling of 13035643 in words is "thirteen million, thirty-five thousand, six hundred forty-three".