13271663 has 2 divisors, whose sum is σ = 13271664. Its totient is φ = 13271662.

The previous prime is 13271651. The next prime is 13271669. The reversal of 13271663 is 36617231.

13271663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13271663 - 2¹⁰ = 13270639 is a prime.

It is a super-2 number, since 2×13271663² = 352274077571138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13271669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6635831 + 6635832.

It is an arithmetic number, because the mean of its divisors is an integer number (6635832).

Almost surely, 2^13271663 is an apocalyptic number.

13271663 is a deficient number, since it is larger than the sum of its proper divisors (1).

13271663 is an equidigital number, since it uses as much as digits as its factorization.

13271663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 13271663 is about 3643.0293712788. The cubic root of 13271663 is about 236.7600638668.

Adding to 13271663 its reverse (36617231), we get a palindrome (49888894).

The spelling of 13271663 in words is "thirteen million, two hundred seventy-one thousand, six hundred sixty-three".