13110997 has 2 divisors, whose sum is σ = 13110998. Its totient is φ = 13110996.

The previous prime is 13110991. The next prime is 13111009. The reversal of 13110997 is 79901131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9572836 + 3538161 = 3094^2 + 1881^2 .

It is a cyclic number.

It is not a de Polignac number, because 13110997 - 2⁷ = 13110869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13110991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555498 + 6555499.

It is an arithmetic number, because the mean of its divisors is an integer number (6555499).

Almost surely, 2^13110997 is an apocalyptic number.

It is an amenable number.

13110997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13110997 is an equidigital number, since it uses as much as digits as its factorization.

13110997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 13110997 is about 3620.9110731969. The cubic root of 13110997 is about 235.8007810775.

The spelling of 13110997 in words is "thirteen million, one hundred ten thousand, nine hundred ninety-seven".