16870965 has 16 divisors (see below), whose sum is σ = 27107136. Its totient is φ = 8960000.

The previous prime is 16870951. The next prime is 16870981. The reversal of 16870965 is 56907861.

It is not a de Polignac number, because 16870965 - 2⁵ = 16870933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525 + ... + 6005.

It is an arithmetic number, because the mean of its divisors is an integer number (1694196).

Almost surely, 2^16870965 is an apocalyptic number.

16870965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16870965 is a deficient number, since it is larger than the sum of its proper divisors (10236171).

16870965 is a wasteful number, since it uses less digits than its factorization.

16870965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 16870965 is about 4107.4280273670. The cubic root of 16870965 is about 256.4759466594.

The spelling of 16870965 in words is "sixteen million, eight hundred seventy thousand, nine hundred sixty-five".