10812855 has 8 divisors (see below), whose sum is σ = 17300592. Its totient is φ = 5766848.

The previous prime is 10812839. The next prime is 10812859. The reversal of 10812855 is 55821801.

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 10812855 - 2⁴ = 10812839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10812859) 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, 360414 + ... + 360443.

It is an arithmetic number, because the mean of its divisors is an integer number (2162574).

Almost surely, 2^10812855 is an apocalyptic number.

10812855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10812855 is a deficient number, since it is larger than the sum of its proper divisors (6487737).

10812855 is an equidigital number, since it uses as much as digits as its factorization.

10812855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720865.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 10812855 is about 3288.2905893488. The cubic root of 10812855 is about 221.1295555620.

The spelling of 10812855 in words is "ten million, eight hundred twelve thousand, eight hundred fifty-five".