11860663 has 4 divisors (see below), whose sum is σ = 12376368. Its totient is φ = 11344960.

The previous prime is 11860661. The next prime is 11860669. The reversal of 11860663 is 36606811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36606811 = 137 ⋅267203.

It is a cyclic number.

It is not a de Polignac number, because 11860663 - 2¹ = 11860661 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11860661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257818 + ... + 257863.

It is an arithmetic number, because the mean of its divisors is an integer number (3094092).

Almost surely, 2^11860663 is an apocalyptic number.

11860663 is a deficient number, since it is larger than the sum of its proper divisors (515705).

11860663 is an equidigital number, since it uses as much as digits as its factorization.

11860663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515704.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 11860663 is about 3443.9313291644. The cubic root of 11860663 is about 228.0532795871.

The spelling of 11860663 in words is "eleven million, eight hundred sixty thousand, six hundred sixty-three".