16812270 has 48 divisors (see below), whose sum is σ = 43917120. Its totient is φ = 4462272.

The previous prime is 16812259. The next prime is 16812277. The reversal of 16812270 is 7221861.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16812277) 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, 32776 + ... + 33284.

It is an arithmetic number, because the mean of its divisors is an integer number (914940).

Almost surely, 2^16812270 is an apocalyptic number.

16812270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16812270 is an abundant number, since it is smaller than the sum of its proper divisors (27104850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16812270 is a wasteful number, since it uses less digits than its factorization.

16812270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 16812270 is about 4100.2768199233. The cubic root of 16812270 is about 256.1781698333.

The spelling of 16812270 in words is "sixteen million, eight hundred twelve thousand, two hundred seventy".