16072913 has 2 divisors, whose sum is σ = 16072914. Its totient is φ = 16072912.

The previous prime is 16072907. The next prime is 16072933. The reversal of 16072913 is 31927061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14348944 + 1723969 = 3788^2 + 1313^2 .

It is a cyclic number.

It is not a de Polignac number, because 16072913 - 2⁴ = 16072897 is a prime.

It is not a weakly prime, because it can be changed into another prime (16072933) 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 as a sum of consecutive naturals, namely, 8036456 + 8036457.

It is an arithmetic number, because the mean of its divisors is an integer number (8036457).

Almost surely, 2^16072913 is an apocalyptic number.

It is an amenable number.

16072913 is a deficient number, since it is larger than the sum of its proper divisors (1).

16072913 is an equidigital number, since it uses as much as digits as its factorization.

16072913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 16072913 is about 4009.1037651824. The cubic root of 16072913 is about 252.3663992767.

Adding to 16072913 its reverse (31927061), we get a palindrome (47999974).

The spelling of 16072913 in words is "sixteen million, seventy-two thousand, nine hundred thirteen".