16813430 has 32 divisors (see below), whose sum is σ = 31524768. Its totient is φ = 6451200.

The previous prime is 16813399. The next prime is 16813453. The reversal of 16813430 is 3431861.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16813430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25910 + ... + 26550.

It is an arithmetic number, because the mean of its divisors is an integer number (985149).

Almost surely, 2^16813430 is an apocalyptic number.

16813430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16813430 is a deficient number, since it is larger than the sum of its proper divisors (14711338).

16813430 is a wasteful number, since it uses less digits than its factorization.

16813430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 16813430 is about 4100.4182713474. The cubic root of 16813430 is about 256.1840615588.

The spelling of 16813430 in words is "sixteen million, eight hundred thirteen thousand, four hundred thirty".