11969273 has 2 divisors, whose sum is σ = 11969274. Its totient is φ = 11969272.

The previous prime is 11969263. The next prime is 11969311. The reversal of 11969273 is 37296911.

It is a happy number.

It is an a-pointer prime, because the next prime (11969311) can be obtained adding 11969273 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11751184 + 218089 = 3428^2 + 467^2 .

It is an emirp because it is prime and its reverse (37296911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11969273 - 2⁸ = 11969017 is a prime.

It is a super-2 number, since 2×11969273² = 286526992297058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11969203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5984636 + 5984637.

It is an arithmetic number, because the mean of its divisors is an integer number (5984637).

Almost surely, 2^11969273 is an apocalyptic number.

It is an amenable number.

11969273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11969273 is an equidigital number, since it uses as much as digits as its factorization.

11969273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 38.

The square root of 11969273 is about 3459.6637119813. The cubic root of 11969273 is about 228.7472724052.

The spelling of 11969273 in words is "eleven million, nine hundred sixty-nine thousand, two hundred seventy-three".