11966953 has 2 divisors, whose sum is σ = 11966954. Its totient is φ = 11966952.

The previous prime is 11966951. The next prime is 11966993. The reversal of 11966953 is 35966911.

It is an a-pointer prime, because the next prime (11966993) can be obtained adding 11966953 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11377129 + 589824 = 3373^2 + 768^2 .

It is an emirp because it is prime and its reverse (35966911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11966953 - 2¹ = 11966951 is a prime.

Together with 11966951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11966951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5983476 + 5983477.

It is an arithmetic number, because the mean of its divisors is an integer number (5983477).

Almost surely, 2^11966953 is an apocalyptic number.

It is an amenable number.

11966953 is a deficient number, since it is larger than the sum of its proper divisors (1).

11966953 is an equidigital number, since it uses as much as digits as its factorization.

11966953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 40.

The square root of 11966953 is about 3459.3284030285. The cubic root of 11966953 is about 228.7324921156.

The spelling of 11966953 in words is "eleven million, nine hundred sixty-six thousand, nine hundred fifty-three".