13260749 has 2 divisors, whose sum is σ = 13260750. Its totient is φ = 13260748.

The previous prime is 13260713. The next prime is 13260787. The reversal of 13260749 is 94706231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13213225 + 47524 = 3635^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 13260749 - 2²⁰ = 12212173 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13260349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6630374 + 6630375.

It is an arithmetic number, because the mean of its divisors is an integer number (6630375).

Almost surely, 2^13260749 is an apocalyptic number.

It is an amenable number.

13260749 is a deficient number, since it is larger than the sum of its proper divisors (1).

13260749 is an equidigital number, since it uses as much as digits as its factorization.

13260749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 13260749 is about 3641.5311340149. The cubic root of 13260749 is about 236.6951459039.

The spelling of 13260749 in words is "thirteen million, two hundred sixty thousand, seven hundred forty-nine".