11885071 has 8 divisors (see below), whose sum is σ = 13267584. Its totient is φ = 10552920.

The previous prime is 11885053. The next prime is 11885077. The reversal of 11885071 is 17058811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11885071 - 2⁹ = 11884559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12091 + ... + 13036.

It is an arithmetic number, because the mean of its divisors is an integer number (1658448).

Almost surely, 2^11885071 is an apocalyptic number.

11885071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11885071 is a deficient number, since it is larger than the sum of its proper divisors (1382513).

11885071 is a wasteful number, since it uses less digits than its factorization.

11885071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25181.

The product of its (nonzero) digits is 2240, while the sum is 31.

The square root of 11885071 is about 3447.4731326002. The cubic root of 11885071 is about 228.2096089734.

The spelling of 11885071 in words is "eleven million, eight hundred eighty-five thousand, seventy-one".