11864867 has 8 divisors (see below), whose sum is σ = 13890912. Its totient is φ = 9921600.

The previous prime is 11864863. The next prime is 11864893. The reversal of 11864867 is 76846811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11864867 - 2² = 11864863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (11864863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20384 + ... + 20957.

It is an arithmetic number, because the mean of its divisors is an integer number (1736364).

Almost surely, 2^11864867 is an apocalyptic number.

11864867 is a deficient number, since it is larger than the sum of its proper divisors (2026045).

11864867 is an equidigital number, since it uses as much as digits as its factorization.

11864867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41389.

The product of its digits is 64512, while the sum is 41.

The square root of 11864867 is about 3444.5416240771. The cubic root of 11864867 is about 228.0802208223.

The spelling of 11864867 in words is "eleven million, eight hundred sixty-four thousand, eight hundred sixty-seven".