16970847 has 4 divisors (see below), whose sum is σ = 22627800. Its totient is φ = 11313896.

The previous prime is 16970839. The next prime is 16970851. The reversal of 16970847 is 74807961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74807961 = 3 ⋅24935987.

It is a cyclic number.

It is not a de Polignac number, because 16970847 - 2³ = 16970839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16970799 and 16970808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16970897) 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, 2828472 + ... + 2828477.

It is an arithmetic number, because the mean of its divisors is an integer number (5656950).

Almost surely, 2^16970847 is an apocalyptic number.

16970847 is a deficient number, since it is larger than the sum of its proper divisors (5656953).

16970847 is an equidigital number, since it uses as much as digits as its factorization.

16970847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5656952.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 16970847 is about 4119.5687881136. The cubic root of 16970847 is about 256.9810934529.

The spelling of 16970847 in words is "sixteen million, nine hundred seventy thousand, eight hundred forty-seven".