26956913 has 4 divisors (see below), whose sum is σ = 27465588. Its totient is φ = 26448240.

The previous prime is 26956901. The next prime is 26956927. The reversal of 26956913 is 31965962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19465744 + 7491169 = 4412^2 + 2737^2 .

It is a cyclic number.

It is not a de Polignac number, because 26956913 - 2¹⁶ = 26891377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26956213) 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 in 3 ways as a sum of consecutive naturals, for example, 254258 + ... + 254363.

It is an arithmetic number, because the mean of its divisors is an integer number (6866397).

Almost surely, 2^26956913 is an apocalyptic number.

It is an amenable number.

26956913 is a deficient number, since it is larger than the sum of its proper divisors (508675).

26956913 is an equidigital number, since it uses as much as digits as its factorization.

26956913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508674.

The product of its digits is 87480, while the sum is 41.

The square root of 26956913 is about 5192.0047187960. The cubic root of 26956913 is about 299.8403335557.

The spelling of 26956913 in words is "twenty-six million, nine hundred fifty-six thousand, nine hundred thirteen".