13064881 has 4 divisors (see below), whose sum is σ = 13074292. Its totient is φ = 13055472.

The previous prime is 13064879. The next prime is 13064899. The reversal of 13064881 is 18846031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5688225 + 7376656 = 2385^2 + 2716^2 .

It is a cyclic number.

It is not a de Polignac number, because 13064881 - 2¹ = 13064879 is a prime.

It is a super-2 number, since 2×13064881² = 341382231088322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13065881) 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, 2166 + ... + 5551.

It is an arithmetic number, because the mean of its divisors is an integer number (3268573).

Almost surely, 2^13064881 is an apocalyptic number.

It is an amenable number.

13064881 is a deficient number, since it is larger than the sum of its proper divisors (9411).

13064881 is an equidigital number, since it uses as much as digits as its factorization.

13064881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9410.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 13064881 is about 3614.5374531190. The cubic root of 13064881 is about 235.5239914674.

The spelling of 13064881 in words is "thirteen million, sixty-four thousand, eight hundred eighty-one".