16791013 has 2 divisors, whose sum is σ = 16791014. Its totient is φ = 16791012.

The previous prime is 16791011. The next prime is 16791031. The reversal of 16791013 is 31019761.

16791013 = 2897² + 2898².

Together with next prime (16791031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8398404 + 8392609 = 2898^2 + 2897^2 .

It is a cyclic number.

It is not a de Polignac number, because 16791013 - 2¹ = 16791011 is a prime.

Together with 16791011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16791011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8395506 + 8395507.

It is an arithmetic number, because the mean of its divisors is an integer number (8395507).

Almost surely, 2^16791013 is an apocalyptic number.

16791013 is the 2898-th centered square number.

It is an amenable number.

16791013 is a deficient number, since it is larger than the sum of its proper divisors (1).

16791013 is an equidigital number, since it uses as much as digits as its factorization.

16791013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 16791013 is about 4097.6838579861. The cubic root of 16791013 is about 256.0701559431.

The spelling of 16791013 in words is "sixteen million, seven hundred ninety-one thousand, thirteen".