11871075 has 24 divisors (see below), whose sum is σ = 19873728. Its totient is φ = 6251680.

The previous prime is 11871061. The next prime is 11871077. The reversal of 11871075 is 57017811.

It is a happy number.

11871075 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11871075 - 2⁸ = 11870819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11871077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5272 + ... + 7178.

It is an arithmetic number, because the mean of its divisors is an integer number (828072).

Almost surely, 2^11871075 is an apocalyptic number.

11871075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11871075 is a deficient number, since it is larger than the sum of its proper divisors (8002653).

11871075 is a wasteful number, since it uses less digits than its factorization.

11871075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003 (or 1998 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 30.

The square root of 11871075 is about 3445.4426420999. The cubic root of 11871075 is about 228.1199930095.

Adding to 11871075 its reverse (57017811), we get a palindrome (68888886).

The spelling of 11871075 in words is "eleven million, eight hundred seventy-one thousand, seventy-five".