26266513 has 16 divisors (see below), whose sum is σ = 34231680. Its totient is φ = 19558656.

The previous prime is 26266469. The next prime is 26266519. The reversal of 26266513 is 31566262.

It is not a de Polignac number, because 26266513 - 2⁹ = 26266001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26266519) 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 15 ways as a sum of consecutive naturals, for example, 6943 + ... + 10036.

It is an arithmetic number, because the mean of its divisors is an integer number (2139480).

Almost surely, 2^26266513 is an apocalyptic number.

It is an amenable number.

26266513 is a deficient number, since it is larger than the sum of its proper divisors (7965167).

26266513 is a wasteful number, since it uses less digits than its factorization.

26266513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17016.

The product of its digits is 12960, while the sum is 31.

The square root of 26266513 is about 5125.0866334141. The cubic root of 26266513 is about 297.2584032947.

The spelling of 26266513 in words is "twenty-six million, two hundred sixty-six thousand, five hundred thirteen".