11963957 has 2 divisors, whose sum is σ = 11963958. Its totient is φ = 11963956.

The previous prime is 11963953. The next prime is 11963969. The reversal of 11963957 is 75936911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7806436 + 4157521 = 2794^2 + 2039^2 .

It is an emirp because it is prime and its reverse (75936911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11963957 - 2² = 11963953 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11963953) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5981978 + 5981979.

It is an arithmetic number, because the mean of its divisors is an integer number (5981979).

Almost surely, 2^11963957 is an apocalyptic number.

It is an amenable number.

11963957 is a deficient number, since it is larger than the sum of its proper divisors (1).

11963957 is an equidigital number, since it uses as much as digits as its factorization.

11963957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 41.

The square root of 11963957 is about 3458.8953438923. The cubic root of 11963957 is about 228.7134023288.

The spelling of 11963957 in words is "eleven million, nine hundred sixty-three thousand, nine hundred fifty-seven".