16697513 has 8 divisors (see below), whose sum is σ = 19110528. Its totient is φ = 14291424.

The previous prime is 16697501. The next prime is 16697543. The reversal of 16697513 is 31579661.

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

It is not a de Polignac number, because 16697513 - 2⁴ = 16697497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16697543) 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, 5420 + ... + 7922.

It is an arithmetic number, because the mean of its divisors is an integer number (2388816).

Almost surely, 2^16697513 is an apocalyptic number.

It is an amenable number.

16697513 is a deficient number, since it is larger than the sum of its proper divisors (2413015).

16697513 is an equidigital number, since it uses as much as digits as its factorization.

16697513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463.

The product of its digits is 34020, while the sum is 38.

The square root of 16697513 is about 4086.2590470992. The cubic root of 16697513 is about 255.5939659202.

It can be divided in two parts, 166 and 97513, that added together give a palindrome (97679).

The spelling of 16697513 in words is "sixteen million, six hundred ninety-seven thousand, five hundred thirteen".