13268971 has 2 divisors, whose sum is σ = 13268972. Its totient is φ = 13268970.

The previous prime is 13268911. The next prime is 13268989. The reversal of 13268971 is 17986231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13268971 - 2¹¹ = 13266923 is a prime.

It is equal to p₈₆₅₅₇₆ and since 13268971 and 865576 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13268971.

It is not a weakly prime, because it can be changed into another prime (13268911) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6634485 + 6634486.

It is an arithmetic number, because the mean of its divisors is an integer number (6634486).

Almost surely, 2^13268971 is an apocalyptic number.

13268971 is a deficient number, since it is larger than the sum of its proper divisors (1).

13268971 is an equidigital number, since it uses as much as digits as its factorization.

13268971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 13268971 is about 3642.6598798131. The cubic root of 13268971 is about 236.7440547907.

The spelling of 13268971 in words is "thirteen million, two hundred sixty-eight thousand, nine hundred seventy-one".