26685812 has 6 divisors (see below), whose sum is σ = 46700178. Its totient is φ = 13342904.

The previous prime is 26685811. The next prime is 26685833. The reversal of 26685812 is 21858662.

It can be written as a sum of positive squares in only one way, i.e., 23775376 + 2910436 = 4876^2 + 1706^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26685811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335723 + ... + 3335730.

It is an arithmetic number, because the mean of its divisors is an integer number (7783363).

Almost surely, 2^26685812 is an apocalyptic number.

It is an amenable number.

26685812 is a deficient number, since it is larger than the sum of its proper divisors (20014366).

26685812 is a wasteful number, since it uses less digits than its factorization.

26685812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6671457 (or 6671455 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 26685812 is about 5165.8312012686. The cubic root of 26685812 is about 298.8317976563.

The spelling of 26685812 in words is "twenty-six million, six hundred eighty-five thousand, eight hundred twelve".