11382861 has 16 divisors (see below), whose sum is σ = 18100224. Its totient is φ = 6221424.

The previous prime is 11382851. The next prime is 11382893. The reversal of 11382861 is 16828311.

11382861 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 11382861 - 2⁷ = 11382733 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11382821) 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, 11301 + ... + 12266.

It is an arithmetic number, because the mean of its divisors is an integer number (1131264).

Almost surely, 2^11382861 is an apocalyptic number.

It is an amenable number.

11382861 is a deficient number, since it is larger than the sum of its proper divisors (6717363).

11382861 is a wasteful number, since it uses less digits than its factorization.

11382861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23600.

The product of its digits is 2304, while the sum is 30.

The square root of 11382861 is about 3373.8495817093. The cubic root of 11382861 is about 224.9488673930.

The spelling of 11382861 in words is "eleven million, three hundred eighty-two thousand, eight hundred sixty-one".