11864171 has 12 divisors (see below), whose sum is σ = 13234032. Its totient is φ = 10626000.

The previous prime is 11864131. The next prime is 11864183. The reversal of 11864171 is 17146811.

It is not a de Polignac number, because 11864171 - 2⁶ = 11864107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11864131) 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 11 ways as a sum of consecutive naturals, for example, 7901 + ... + 9281.

It is an arithmetic number, because the mean of its divisors is an integer number (1102836).

Almost surely, 2^11864171 is an apocalyptic number.

11864171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11864171 is a deficient number, since it is larger than the sum of its proper divisors (1369861).

11864171 is a wasteful number, since it uses less digits than its factorization.

11864171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474 (or 1463 counting only the distinct ones).

The product of its digits is 1344, while the sum is 29.

The square root of 11864171 is about 3444.4405931878. The cubic root of 11864171 is about 228.0757609623.

The spelling of 11864171 in words is "eleven million, eight hundred sixty-four thousand, one hundred seventy-one".