16813245 has 8 divisors (see below), whose sum is σ = 26901216. Its totient is φ = 8967056.

The previous prime is 16813211. The next prime is 16813249. The reversal of 16813245 is 54231861.

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 16813245 - 2⁷ = 16813117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16813249) 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, 560427 + ... + 560456.

It is an arithmetic number, because the mean of its divisors is an integer number (3362652).

Almost surely, 2^16813245 is an apocalyptic number.

16813245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16813245 is a deficient number, since it is larger than the sum of its proper divisors (10087971).

16813245 is a wasteful number, since it uses less digits than its factorization.

16813245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120891.

The product of its digits is 5760, while the sum is 30.

The square root of 16813245 is about 4100.3957126112. The cubic root of 16813245 is about 256.1831219483.

The spelling of 16813245 in words is "sixteen million, eight hundred thirteen thousand, two hundred forty-five".