13261771 has 2 divisors, whose sum is σ = 13261772. Its totient is φ = 13261770.

The previous prime is 13261757. The next prime is 13261783. The reversal of 13261771 is 17716231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13261771 - 2⁵ = 13261739 is a prime.

It is not a weakly prime, because it can be changed into another prime (13261741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6630885 + 6630886.

It is an arithmetic number, because the mean of its divisors is an integer number (6630886).

Almost surely, 2^13261771 is an apocalyptic number.

13261771 is a deficient number, since it is larger than the sum of its proper divisors (1).

13261771 is an equidigital number, since it uses as much as digits as its factorization.

13261771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764, while the sum is 28.

The square root of 13261771 is about 3641.6714569000. The cubic root of 13261771 is about 236.7012264107.

The spelling of 13261771 in words is "thirteen million, two hundred sixty-one thousand, seven hundred seventy-one".