11012871 has 4 divisors (see below), whose sum is σ = 14683832. Its totient is φ = 7341912.

The previous prime is 11012861. The next prime is 11012873. The reversal of 11012871 is 17821011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11012871 - 2²¹ = 8915719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835476 + ... + 1835481.

It is an arithmetic number, because the mean of its divisors is an integer number (3670958).

Almost surely, 2^11012871 is an apocalyptic number.

11012871 is a deficient number, since it is larger than the sum of its proper divisors (3670961).

11012871 is an equidigital number, since it uses as much as digits as its factorization.

11012871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670960.

The product of its (nonzero) digits is 112, while the sum is 21.

The square root of 11012871 is about 3318.5645993411. The cubic root of 11012871 is about 222.4847172098.

Adding to 11012871 its reverse (17821011), we get a palindrome (28833882).

The spelling of 11012871 in words is "eleven million, twelve thousand, eight hundred seventy-one".