16706947 has 8 divisors (see below), whose sum is σ = 18351360. Its totient is φ = 15139080.

The previous prime is 16706927. The next prime is 16706953. The reversal of 16706947 is 74960761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16706947 - 2²³ = 8318339 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16706917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18679 + ... + 19552.

It is an arithmetic number, because the mean of its divisors is an integer number (2293920).

Almost surely, 2^16706947 is an apocalyptic number.

16706947 is a deficient number, since it is larger than the sum of its proper divisors (1644413).

16706947 is a wasteful number, since it uses less digits than its factorization.

16706947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38273.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 16706947 is about 4087.4132406695. The cubic root of 16706947 is about 255.6420932371.

The spelling of 16706947 in words is "sixteen million, seven hundred six thousand, nine hundred forty-seven".