26806212 has 36 divisors (see below), whose sum is σ = 71747676. Its totient is φ = 8409600.

The previous prime is 26806211. The next prime is 26806217. The reversal of 26806212 is 21260862.

It can be written as a sum of positive squares in 2 ways, for example, as 17842176 + 8964036 = 4224^2 + 2994^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (26806211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21289 + ... + 22512.

It is an arithmetic number, because the mean of its divisors is an integer number (1992991).

Almost surely, 2^26806212 is an apocalyptic number.

It is an amenable number.

26806212 is an abundant number, since it is smaller than the sum of its proper divisors (44941464).

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

26806212 is a wasteful number, since it uses less digits than its factorization.

26806212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43828 (or 43823 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 26806212 is about 5177.4715836980. The cubic root of 26806212 is about 299.2805426497.

The spelling of 26806212 in words is "twenty-six million, eight hundred six thousand, two hundred twelve".