16813841 has 8 divisors (see below), whose sum is σ = 19308000. Its totient is φ = 14480640.

The previous prime is 16813837. The next prime is 16813843. The reversal of 16813841 is 14831861.

It is a happy number.

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 16813841 - 2² = 16813837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16813798 and 16813807.

It is not an unprimeable number, because it can be changed into a prime (16813843) 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, 40016 + ... + 40433.

It is an arithmetic number, because the mean of its divisors is an integer number (2413500).

Almost surely, 2^16813841 is an apocalyptic number.

16813841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16813841 is a deficient number, since it is larger than the sum of its proper divisors (2494159).

16813841 is a wasteful number, since it uses less digits than its factorization.

16813841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80479.

The product of its digits is 4608, while the sum is 32.

The square root of 16813841 is about 4100.4683878796. The cubic root of 16813841 is about 256.1861489931.

The spelling of 16813841 in words is "sixteen million, eight hundred thirteen thousand, eight hundred forty-one".