16857313 has 8 divisors (see below), whose sum is σ = 19357920. Its totient is φ = 14518080.

The previous prime is 16857307. The next prime is 16857331. The reversal of 16857313 is 31375861.

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 16857313 - 2¹³ = 16849121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16858313) 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, 40120 + ... + 40537.

It is an arithmetic number, because the mean of its divisors is an integer number (2419740).

Almost surely, 2^16857313 is an apocalyptic number.

It is an amenable number.

16857313 is a deficient number, since it is larger than the sum of its proper divisors (2500607).

16857313 is a wasteful number, since it uses less digits than its factorization.

16857313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80687.

The product of its digits is 15120, while the sum is 34.

The square root of 16857313 is about 4105.7658238141. The cubic root of 16857313 is about 256.4067478022.

It can be divided in two parts, 1685 and 7313, that added together give a palindrome (8998).

The spelling of 16857313 in words is "sixteen million, eight hundred fifty-seven thousand, three hundred thirteen".