16930013 has 4 divisors (see below), whose sum is σ = 17002908. Its totient is φ = 16857120.

The previous prime is 16929971. The next prime is 16930027. The reversal of 16930013 is 31003961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1898884 + 15031129 = 1378^2 + 3877^2 .

It is a cyclic number.

It is not a de Polignac number, because 16930013 - 2¹² = 16925917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16930063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36098 + ... + 36563.

It is an arithmetic number, because the mean of its divisors is an integer number (4250727).

Almost surely, 2^16930013 is an apocalyptic number.

It is an amenable number.

16930013 is a deficient number, since it is larger than the sum of its proper divisors (72895).

16930013 is an equidigital number, since it uses as much as digits as its factorization.

16930013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72894.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 16930013 is about 4114.6097020252. The cubic root of 16930013 is about 256.7748182736.

Adding to 16930013 its reverse (31003961), we get a palindrome (47933974).

The spelling of 16930013 in words is "sixteen million, nine hundred thirty thousand, thirteen".