16913399 has 2 divisors, whose sum is σ = 16913400. Its totient is φ = 16913398.

The previous prime is 16913387. The next prime is 16913411. The reversal of 16913399 is 99331961.

It is a balanced prime because it is at equal distance from previous prime (16913387) and next prime (16913411).

It is an emirp because it is prime and its reverse (99331961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16913399 - 2¹² = 16909303 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16915399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8456699 + 8456700.

It is an arithmetic number, because the mean of its divisors is an integer number (8456700).

Almost surely, 2^16913399 is an apocalyptic number.

16913399 is a deficient number, since it is larger than the sum of its proper divisors (1).

16913399 is an equidigital number, since it uses as much as digits as its factorization.

16913399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39366, while the sum is 41.

The square root of 16913399 is about 4112.5903029599. The cubic root of 16913399 is about 256.6907968168.

The spelling of 16913399 in words is "sixteen million, nine hundred thirteen thousand, three hundred ninety-nine".