32639713 has 2 divisors, whose sum is σ = 32639714. Its totient is φ = 32639712.

The previous prime is 32639689. The next prime is 32639749. The reversal of 32639713 is 31793623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32626944 + 12769 = 5712^2 + 113^2 .

It is an emirp because it is prime and its reverse (31793623) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32639713 is a prime.

It is not a weakly prime, because it can be changed into another prime (32639753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16319856 + 16319857.

It is an arithmetic number, because the mean of its divisors is an integer number (16319857).

Almost surely, 2^32639713 is an apocalyptic number.

It is an amenable number.

32639713 is a deficient number, since it is larger than the sum of its proper divisors (1).

32639713 is an equidigital number, since it uses as much as digits as its factorization.

32639713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 34.

The square root of 32639713 is about 5713.1176252551. The cubic root of 32639713 is about 319.5818529297.

The spelling of 32639713 in words is "thirty-two million, six hundred thirty-nine thousand, seven hundred thirteen".