26713089 has 24 divisors (see below), whose sum is σ = 42992040. Its totient is φ = 15869952.

The previous prime is 26713081. The next prime is 26713091. The reversal of 26713089 is 98031762.

It can be written as a sum of positive squares in 4 ways, for example, as 242064 + 26471025 = 492^2 + 5145^2 .

It is not a de Polignac number, because 26713089 - 2³ = 26713081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26713081) 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 23 ways as a sum of consecutive naturals, for example, 544 + ... + 7329.

It is an arithmetic number, because the mean of its divisors is an integer number (1791335).

Almost surely, 2^26713089 is an apocalyptic number.

26713089 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

26713089 is a deficient number, since it is larger than the sum of its proper divisors (16278951).

26713089 is a wasteful number, since it uses less digits than its factorization.

26713089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7921 (or 7918 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 26713089 is about 5168.4706635522. The cubic root of 26713089 is about 298.9335803220.

The spelling of 26713089 in words is "twenty-six million, seven hundred thirteen thousand, eighty-nine".