11966863 has 2 divisors, whose sum is σ = 11966864. Its totient is φ = 11966862.

The previous prime is 11966833. The next prime is 11966869. The reversal of 11966863 is 36866911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11966863 - 2¹³ = 11958671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11966869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5983431 + 5983432.

It is an arithmetic number, because the mean of its divisors is an integer number (5983432).

Almost surely, 2^11966863 is an apocalyptic number.

11966863 is a deficient number, since it is larger than the sum of its proper divisors (1).

11966863 is an equidigital number, since it uses as much as digits as its factorization.

11966863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 11966863 is about 3459.3153946988. The cubic root of 11966863 is about 228.7319187038.

The spelling of 11966863 in words is "eleven million, nine hundred sixty-six thousand, eight hundred sixty-three".