13006261 has 2 divisors, whose sum is σ = 13006262. Its totient is φ = 13006260.

The previous prime is 13006249. The next prime is 13006271. The reversal of 13006261 is 16260031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13003236 + 3025 = 3606^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 13006261 - 2²¹ = 10909109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13006271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6503130 + 6503131.

It is an arithmetic number, because the mean of its divisors is an integer number (6503131).

Almost surely, 2^13006261 is an apocalyptic number.

It is an amenable number.

13006261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13006261 is an equidigital number, since it uses as much as digits as its factorization.

13006261 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 19.

The square root of 13006261 is about 3606.4194154313. The cubic root of 13006261 is about 235.1712106790.

Adding to 13006261 its reverse (16260031), we get a palindrome (29266292).

The spelling of 13006261 in words is "thirteen million, six thousand, two hundred sixty-one".