26996565 has 32 divisors (see below), whose sum is σ = 44582400. Its totient is φ = 13942784.

The previous prime is 26996551. The next prime is 26996617. The reversal of 26996565 is 56569962.

It is a cyclic number.

It is not a de Polignac number, because 26996565 - 2¹⁴ = 26980181 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104917 + ... + 105173.

It is an arithmetic number, because the mean of its divisors is an integer number (1393200).

Almost surely, 2^26996565 is an apocalyptic number.

It is an amenable number.

26996565 is a deficient number, since it is larger than the sum of its proper divisors (17585835).

26996565 is a wasteful number, since it uses less digits than its factorization.

26996565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its digits is 874800, while the sum is 48.

The square root of 26996565 is about 5195.8218791641. The cubic root of 26996565 is about 299.9872772382.

The spelling of 26996565 in words is "twenty-six million, nine hundred ninety-six thousand, five hundred sixty-five".