6812455 has 16 divisors (see below), whose sum is σ = 8858304. Its totient is φ = 4999680.

The previous prime is 6812453. The next prime is 6812459. The reversal of 6812455 is 5542186.

It is not a de Polignac number, because 6812455 - 2¹ = 6812453 is a prime.

6812455 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6812453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20047 + ... + 20383.

It is an arithmetic number, because the mean of its divisors is an integer number (553644).

Almost surely, 2^6812455 is an apocalyptic number.

6812455 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6812455 is a deficient number, since it is larger than the sum of its proper divisors (2045849).

6812455 is a wasteful number, since it uses less digits than its factorization.

6812455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666.

The product of its digits is 9600, while the sum is 31.

The square root of 6812455 is about 2610.0680067768. The cubic root of 6812455 is about 189.5692457699.

It can be divided in two parts, 681 and 2455, that added together give a square (3136 = 56²).

The spelling of 6812455 in words is "six million, eight hundred twelve thousand, four hundred fifty-five".