32130013 has 2 divisors, whose sum is σ = 32130014. Its totient is φ = 32130012.

The previous prime is 32129959. The next prime is 32130037. The reversal of 32130013 is 31003123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23990404 + 8139609 = 4898^2 + 2853^2 .

It is a cyclic number.

It is not a de Polignac number, because 32130013 - 2²¹ = 30032861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32129975 and 32130002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32130053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065006 + 16065007.

It is an arithmetic number, because the mean of its divisors is an integer number (16065007).

Almost surely, 2^32130013 is an apocalyptic number.

It is an amenable number.

32130013 is a deficient number, since it is larger than the sum of its proper divisors (1).

32130013 is an equidigital number, since it uses as much as digits as its factorization.

32130013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 32130013 is about 5668.3342350288. The cubic root of 32130013 is about 317.9095935135.

Adding to 32130013 its reverse (31003123), we get a palindrome (63133136).

The spelling of 32130013 in words is "thirty-two million, one hundred thirty thousand, thirteen".