14991169 has 2 divisors, whose sum is σ = 14991170. Its totient is φ = 14991168.

The previous prime is 14991157. The next prime is 14991181. The reversal of 14991169 is 96119941.

It is a balanced prime because it is at equal distance from previous prime (14991157) and next prime (14991181).

It can be written as a sum of positive squares in only one way, i.e., 8334769 + 6656400 = 2887^2 + 2580^2 .

It is an emirp because it is prime and its reverse (96119941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14991169 - 2¹³ = 14982977 is a prime.

It is a super-2 number, since 2×14991169² = 449470295973122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14991149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7495584 + 7495585.

It is an arithmetic number, because the mean of its divisors is an integer number (7495585).

Almost surely, 2^14991169 is an apocalyptic number.

It is an amenable number.

14991169 is a deficient number, since it is larger than the sum of its proper divisors (1).

14991169 is an equidigital number, since it uses as much as digits as its factorization.

14991169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 40.

The square root of 14991169 is about 3871.8431011600. The cubic root of 14991169 is about 246.5727998903.

The spelling of 14991169 in words is "fourteen million, nine hundred ninety-one thousand, one hundred sixty-nine".