16530713 has 4 divisors (see below), whose sum is σ = 16547328. Its totient is φ = 16514100.

The previous prime is 16530707. The next prime is 16530727. The reversal of 16530713 is 31703561.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31703561 = 37 ⋅856853.

It is a cyclic number.

It is not a de Polignac number, because 16530713 - 2⁴ = 16530697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16530763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6713 + ... + 8838.

It is an arithmetic number, because the mean of its divisors is an integer number (4136832).

Almost surely, 2^16530713 is an apocalyptic number.

It is an amenable number.

16530713 is a deficient number, since it is larger than the sum of its proper divisors (16615).

16530713 is a wasteful number, since it uses less digits than its factorization.

16530713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16614.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 16530713 is about 4065.7979536617. The cubic root of 16530713 is about 254.7400298112.

The spelling of 16530713 in words is "sixteen million, five hundred thirty thousand, seven hundred thirteen".