13082261 has 2 divisors, whose sum is σ = 13082262. Its totient is φ = 13082260.

The previous prime is 13082249. The next prime is 13082291. The reversal of 13082261 is 16228031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12208036 + 874225 = 3494^2 + 935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13082261 is a prime.

It is a super-2 number, since 2×13082261² = 342291105744242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13082221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6541130 + 6541131.

It is an arithmetic number, because the mean of its divisors is an integer number (6541131).

Almost surely, 2^13082261 is an apocalyptic number.

It is an amenable number.

13082261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13082261 is an equidigital number, since it uses as much as digits as its factorization.

13082261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 13082261 is about 3616.9408344622. The cubic root of 13082261 is about 235.6283831104.

The spelling of 13082261 in words is "thirteen million, eighty-two thousand, two hundred sixty-one".