13266081 has 12 divisors (see below), whose sum is σ = 19281808. Its totient is φ = 8788824.

The previous prime is 13266061. The next prime is 13266089. The reversal of 13266081 is 18066231.

It is not a de Polignac number, because 13266081 - 2⁵ = 13266049 is a prime.

It is a super-2 number, since 2×13266081² = 351977810197122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13266089) 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 11 ways as a sum of consecutive naturals, for example, 3055 + ... + 5988.

Almost surely, 2^13266081 is an apocalyptic number.

It is an amenable number.

13266081 is a deficient number, since it is larger than the sum of its proper divisors (6015727).

13266081 is a wasteful number, since it uses less digits than its factorization.

13266081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212 (or 9209 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 13266081 is about 3642.2631700634. The cubic root of 13266081 is about 236.7268658166.

The spelling of 13266081 in words is "thirteen million, two hundred sixty-six thousand, eighty-one".