11967937 has 2 divisors, whose sum is σ = 11967938. Its totient is φ = 11967936.

The previous prime is 11967913. The next prime is 11967971. The reversal of 11967937 is 73976911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11553201 + 414736 = 3399^2 + 644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11967937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11967893 and 11967902.

It is not a weakly prime, because it can be changed into another prime (11967997) 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, 5983968 + 5983969.

It is an arithmetic number, because the mean of its divisors is an integer number (5983969).

Almost surely, 2^11967937 is an apocalyptic number.

It is an amenable number.

11967937 is a deficient number, since it is larger than the sum of its proper divisors (1).

11967937 is an equidigital number, since it uses as much as digits as its factorization.

11967937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71442, while the sum is 43.

The square root of 11967937 is about 3459.4706242430. The cubic root of 11967937 is about 228.7387612303.

It can be divided in two parts, 119679 and 37, that added together give a square (119716 = 346²).

The spelling of 11967937 in words is "eleven million, nine hundred sixty-seven thousand, nine hundred thirty-seven".