13426261 has 2 divisors, whose sum is σ = 13426262. Its totient is φ = 13426260.

The previous prime is 13426249. The next prime is 13426267. The reversal of 13426261 is 16262431.

13426261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12292036 + 1134225 = 3506^2 + 1065^2 .

It is an emirp because it is prime and its reverse (16262431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13426261 - 2⁹ = 13425749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13426267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6713130 + 6713131.

It is an arithmetic number, because the mean of its divisors is an integer number (6713131).

Almost surely, 2^13426261 is an apocalyptic number.

It is an amenable number.

13426261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13426261 is an equidigital number, since it uses as much as digits as its factorization.

13426261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 13426261 is about 3664.1862670994. The cubic root of 13426261 is about 237.6758350686.

Adding to 13426261 its reverse (16262431), we get a palindrome (29688692).

The spelling of 13426261 in words is "thirteen million, four hundred twenty-six thousand, two hundred sixty-one".