13097771 has 2 divisors, whose sum is σ = 13097772. Its totient is φ = 13097770.

The previous prime is 13097761. The next prime is 13097797. The reversal of 13097771 is 17779031.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (17779031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13097771 - 2¹⁰ = 13096747 is a prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (13097761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6548885 + 6548886.

It is an arithmetic number, because the mean of its divisors is an integer number (6548886).

Almost surely, 2^13097771 is an apocalyptic number.

13097771 is a deficient number, since it is larger than the sum of its proper divisors (1).

13097771 is an equidigital number, since it uses as much as digits as its factorization.

13097771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9261, while the sum is 35.

The square root of 13097771 is about 3619.0842764434. The cubic root of 13097771 is about 235.7214646989.

The spelling of 13097771 in words is "thirteen million, ninety-seven thousand, seven hundred seventy-one".