13064281 has 4 divisors (see below), whose sum is σ = 13382964. Its totient is φ = 12745600.

The previous prime is 13064273. The next prime is 13064291. The reversal of 13064281 is 18246031.

13064281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6330256 + 6734025 = 2516^2 + 2595^2 .

It is a cyclic number.

It is not a de Polignac number, because 13064281 - 2³ = 13064273 is a prime.

It is a super-2 number, since 2×13064281² = 341350876093922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13064231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159280 + ... + 159361.

It is an arithmetic number, because the mean of its divisors is an integer number (3345741).

Almost surely, 2^13064281 is an apocalyptic number.

It is an amenable number.

13064281 is a deficient number, since it is larger than the sum of its proper divisors (318683).

13064281 is an equidigital number, since it uses as much as digits as its factorization.

13064281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318682.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 13064281 is about 3614.4544539944. The cubic root of 13064281 is about 235.5203859604.

The spelling of 13064281 in words is "thirteen million, sixty-four thousand, two hundred eighty-one".