13052081 has 6 divisors (see below), whose sum is σ = 15183090. Its totient is φ = 11187456.

The previous prime is 13052077. The next prime is 13052089. The reversal of 13052081 is 18025031.

It can be written as a sum of positive squares in only one way, i.e., 12845056 + 207025 = 3584^2 + 455^2 .

It is not a de Polignac number, because 13052081 - 2² = 13052077 is a prime.

It is a super-2 number, since 2×13052081² = 340713636861122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13052089) 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 5 ways as a sum of consecutive naturals, for example, 133136 + ... + 133233.

It is an arithmetic number, because the mean of its divisors is an integer number (2530515).

Almost surely, 2^13052081 is an apocalyptic number.

It is an amenable number.

13052081 is a deficient number, since it is larger than the sum of its proper divisors (2131009).

13052081 is an equidigital number, since it uses as much as digits as its factorization.

13052081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266383 (or 266376 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 13052081 is about 3612.7663915620. The cubic root of 13052081 is about 235.4470500303.

The spelling of 13052081 in words is "thirteen million, fifty-two thousand, eighty-one".