11667937 has 2 divisors, whose sum is σ = 11667938. Its totient is φ = 11667936.

The previous prime is 11667917. The next prime is 11667959. The reversal of 11667937 is 73976611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11621281 + 46656 = 3409^2 + 216^2 .

It is a cyclic number.

It is not a de Polignac number, because 11667937 - 2²³ = 3279329 is a prime.

It is a super-2 number, since 2×11667937² = 272281507671938, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11667937.

It is not a weakly prime, because it can be changed into another prime (11667907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5833968 + 5833969.

It is an arithmetic number, because the mean of its divisors is an integer number (5833969).

Almost surely, 2^11667937 is an apocalyptic number.

It is an amenable number.

11667937 is a deficient number, since it is larger than the sum of its proper divisors (1).

11667937 is an equidigital number, since it uses as much as digits as its factorization.

11667937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 40.

The square root of 11667937 is about 3415.8362080170. The cubic root of 11667937 is about 226.8113021045.

The spelling of 11667937 in words is "eleven million, six hundred sixty-seven thousand, nine hundred thirty-seven".