32320013 has 8 divisors (see below), whose sum is σ = 36118656. Its totient is φ = 28664800.

The previous prime is 32320003. The next prime is 32320019. The reversal of 32320013 is 31002323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32320013 - 2⁴ = 32319997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32320013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32320019) 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 7 ways as a sum of consecutive naturals, for example, 35381 + ... + 36282.

It is an arithmetic number, because the mean of its divisors is an integer number (4514832).

Almost surely, 2^32320013 is an apocalyptic number.

It is an amenable number.

32320013 is a deficient number, since it is larger than the sum of its proper divisors (3798643).

32320013 is a wasteful number, since it uses less digits than its factorization.

32320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71715.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 32320013 is about 5685.0693047667. The cubic root of 32320013 is about 318.5350123794.

Adding to 32320013 its reverse (31002323), we get a palindrome (63322336).

The spelling of 32320013 in words is "thirty-two million, three hundred twenty thousand, thirteen".