11803671 has 24 divisors (see below), whose sum is σ = 19226480. Its totient is φ = 7151760.

The previous prime is 11803663. The next prime is 11803691. The reversal of 11803671 is 17630811.

It is not a de Polignac number, because 11803671 - 2³ = 11803663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11803601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1461 + ... + 5073.

Almost surely, 2^11803671 is an apocalyptic number.

11803671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11803671 is a deficient number, since it is larger than the sum of its proper divisors (7422809).

11803671 is a wasteful number, since it uses less digits than its factorization.

11803671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644 (or 3627 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 11803671 is about 3435.6471006202. The cubic root of 11803671 is about 227.6874179143.

It can be divided in two parts, 1180 and 3671, that added together give a triangular number (4851 = T₉₈).

The spelling of 11803671 in words is "eleven million, eight hundred three thousand, six hundred seventy-one".