11933687 has 2 divisors, whose sum is σ = 11933688. Its totient is φ = 11933686.

The previous prime is 11933671. The next prime is 11933693. The reversal of 11933687 is 78633911.

It is a strong prime.

It is an emirp because it is prime and its reverse (78633911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11933687 - 2⁴ = 11933671 is a prime.

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 11933687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11933087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5966843 + 5966844.

It is an arithmetic number, because the mean of its divisors is an integer number (5966844).

Almost surely, 2^11933687 is an apocalyptic number.

11933687 is a deficient number, since it is larger than the sum of its proper divisors (1).

11933687 is an equidigital number, since it uses as much as digits as its factorization.

11933687 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 11933687 is about 3454.5168982073. The cubic root of 11933687 is about 228.5203502122.

The spelling of 11933687 in words is "eleven million, nine hundred thirty-three thousand, six hundred eighty-seven".