13016261 has 2 divisors, whose sum is σ = 13016262. Its totient is φ = 13016260.

The previous prime is 13016257. The next prime is 13016281. The reversal of 13016261 is 16261031.

13016261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (13016281) can be obtained adding 13016261 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6791236 + 6225025 = 2606^2 + 2495^2 .

It is a cyclic number.

It is not a de Polignac number, because 13016261 - 2² = 13016257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13016231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6508130 + 6508131.

It is an arithmetic number, because the mean of its divisors is an integer number (6508131).

Almost surely, 2^13016261 is an apocalyptic number.

It is an amenable number.

13016261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13016261 is an equidigital number, since it uses as much as digits as its factorization.

13016261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 13016261 is about 3607.8055657144. The cubic root of 13016261 is about 235.2314665217.

Adding to 13016261 its reverse (16261031), we get a palindrome (29277292).

The spelling of 13016261 in words is "thirteen million, sixteen thousand, two hundred sixty-one".