16947513 has 24 divisors (see below), whose sum is σ = 27630720. Its totient is φ = 9915360.

The previous prime is 16947479. The next prime is 16947529. The reversal of 16947513 is 31574961.

It is not a de Polignac number, because 16947513 - 2⁸ = 16947257 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16947013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81 + ... + 5822.

It is an arithmetic number, because the mean of its divisors is an integer number (1151280).

Almost surely, 2^16947513 is an apocalyptic number.

It is an amenable number.

16947513 is a deficient number, since it is larger than the sum of its proper divisors (10683207).

16947513 is a wasteful number, since it uses less digits than its factorization.

16947513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5949 (or 5946 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 16947513 is about 4116.7357214181. The cubic root of 16947513 is about 256.8632610474.

The spelling of 16947513 in words is "sixteen million, nine hundred forty-seven thousand, five hundred thirteen".