11838867 has 4 divisors (see below), whose sum is σ = 15785160. Its totient is φ = 7892576.

The previous prime is 11838857. The next prime is 11838887. The reversal of 11838867 is 76883811.

11838867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11838867 - 2¹⁹ = 11314579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11838857) 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, 1973142 + ... + 1973147.

It is an arithmetic number, because the mean of its divisors is an integer number (3946290).

Almost surely, 2^11838867 is an apocalyptic number.

11838867 is a deficient number, since it is larger than the sum of its proper divisors (3946293).

11838867 is an equidigital number, since it uses as much as digits as its factorization.

11838867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946292.

The product of its digits is 64512, while the sum is 42.

The square root of 11838867 is about 3440.7654671599. The cubic root of 11838867 is about 227.9134982724.

The spelling of 11838867 in words is "eleven million, eight hundred thirty-eight thousand, eight hundred sixty-seven".