16711913 has 4 divisors (see below), whose sum is σ = 16771668. Its totient is φ = 16652160.

The previous prime is 16711889. The next prime is 16711921. The reversal of 16711913 is 31911761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31911761 = 7 ⋅4558823.

It can be written as a sum of positive squares in 2 ways, for example, as 11343424 + 5368489 = 3368^2 + 2317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16711913 is a prime.

It is a super-2 number, since 2×16711913² = 558576072239138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16711943) 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 3 ways as a sum of consecutive naturals, for example, 29456 + ... + 30017.

It is an arithmetic number, because the mean of its divisors is an integer number (4192917).

Almost surely, 2^16711913 is an apocalyptic number.

It is an amenable number.

16711913 is a deficient number, since it is larger than the sum of its proper divisors (59755).

16711913 is an equidigital number, since it uses as much as digits as its factorization.

16711913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59754.

The product of its digits is 1134, while the sum is 29.

The square root of 16711913 is about 4088.0206702021. The cubic root of 16711913 is about 255.6674198846.

The spelling of 16711913 in words is "sixteen million, seven hundred eleven thousand, nine hundred thirteen".