11668487 has 2 divisors, whose sum is σ = 11668488. Its totient is φ = 11668486.

The previous prime is 11668441. The next prime is 11668499. The reversal of 11668487 is 78486611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11668487 - 2²⁰ = 10619911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11668387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5834243 + 5834244.

It is an arithmetic number, because the mean of its divisors is an integer number (5834244).

Almost surely, 2^11668487 is an apocalyptic number.

11668487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11668487 is an equidigital number, since it uses as much as digits as its factorization.

11668487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The square root of 11668487 is about 3415.9167144414. The cubic root of 11668487 is about 226.8148658380.

The spelling of 11668487 in words is "eleven million, six hundred sixty-eight thousand, four hundred eighty-seven".