11868771 has 16 divisors (see below), whose sum is σ = 16826400. Its totient is φ = 7415808.

The previous prime is 11868763. The next prime is 11868781. The reversal of 11868771 is 17786811.

11868771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11868771 - 2³ = 11868763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11868781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20575 + ... + 21143.

It is an arithmetic number, because the mean of its divisors is an integer number (1051650).

Almost surely, 2^11868771 is an apocalyptic number.

11868771 is a deficient number, since it is larger than the sum of its proper divisors (4957629).

11868771 is a wasteful number, since it uses less digits than its factorization.

11868771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998.

The product of its digits is 18816, while the sum is 39.

The square root of 11868771 is about 3445.1082711578. The cubic root of 11868771 is about 228.1052338163.

The spelling of 11868771 in words is "eleven million, eight hundred sixty-eight thousand, seven hundred seventy-one".