11963387 has 2 divisors, whose sum is σ = 11963388. Its totient is φ = 11963386.

The previous prime is 11963377. The next prime is 11963389. The reversal of 11963387 is 78336911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11963387 - 2⁶ = 11963323 is a prime.

Together with 11963389, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 11963387 parts by 4891 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 11963387.

It is not a weakly prime, because it can be changed into another prime (11963389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5981693 + 5981694.

It is an arithmetic number, because the mean of its divisors is an integer number (5981694).

Almost surely, 2^11963387 is an apocalyptic number.

11963387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11963387 is an equidigital number, since it uses as much as digits as its factorization.

11963387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 11963387 is about 3458.8129466625. The cubic root of 11963387 is about 228.7097700660.

The spelling of 11963387 in words is "eleven million, nine hundred sixty-three thousand, three hundred eighty-seven".