11986803 has 12 divisors (see below), whose sum is σ = 17348760. Its totient is φ = 7975296.

The previous prime is 11986789. The next prime is 11986811. The reversal of 11986803 is 30868911.

It is not a de Polignac number, because 11986803 - 2⁵ = 11986771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11986823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5068 + ... + 7046.

It is an arithmetic number, because the mean of its divisors is an integer number (1445730).

Almost surely, 2^11986803 is an apocalyptic number.

11986803 is a deficient number, since it is larger than the sum of its proper divisors (5361957).

11986803 is a wasteful number, since it uses less digits than its factorization.

11986803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 11986803 is about 3462.1962682667. The cubic root of 11986803 is about 228.8588910932.

It can be divided in two parts, 1198 and 6803, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 11986803 in words is "eleven million, nine hundred eighty-six thousand, eight hundred three".