13105969 has 2 divisors, whose sum is σ = 13105970. Its totient is φ = 13105968.

The previous prime is 13105957. The next prime is 13105973. The reversal of 13105969 is 96950131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7225344 + 5880625 = 2688^2 + 2425^2 .

It is an emirp because it is prime and its reverse (96950131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13105969 - 2¹¹ = 13103921 is a prime.

It is a super-2 number, since 2×13105969² = 343532846857922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13105979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6552984 + 6552985.

It is an arithmetic number, because the mean of its divisors is an integer number (6552985).

Almost surely, 2^13105969 is an apocalyptic number.

It is an amenable number.

13105969 is a deficient number, since it is larger than the sum of its proper divisors (1).

13105969 is an equidigital number, since it uses as much as digits as its factorization.

13105969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 13105969 is about 3620.2167062208. The cubic root of 13105969 is about 235.7706344274.

The spelling of 13105969 in words is "thirteen million, one hundred five thousand, nine hundred sixty-nine".