13261841 has 2 divisors, whose sum is σ = 13261842. Its totient is φ = 13261840.

The previous prime is 13261817. The next prime is 13261847. The reversal of 13261841 is 14816231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 330625 = 3596^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 13261841 - 2¹⁴ = 13245457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13261841.

It is not a weakly prime, because it can be changed into another prime (13261847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6630920 + 6630921.

It is an arithmetic number, because the mean of its divisors is an integer number (6630921).

Almost surely, 2^13261841 is an apocalyptic number.

It is an amenable number.

13261841 is a deficient number, since it is larger than the sum of its proper divisors (1).

13261841 is an equidigital number, since it uses as much as digits as its factorization.

13261841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 13261841 is about 3641.6810678586. The cubic root of 13261841 is about 236.7016428723.

The spelling of 13261841 in words is "thirteen million, two hundred sixty-one thousand, eight hundred forty-one".