11854867 has 4 divisors (see below), whose sum is σ = 12370320. Its totient is φ = 11339416.

The previous prime is 11854853. The next prime is 11854873. The reversal of 11854867 is 76845811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76845811 = 7 ⋅10977973.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11854867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11854847) 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 3 ways as a sum of consecutive naturals, for example, 257692 + ... + 257737.

It is an arithmetic number, because the mean of its divisors is an integer number (3092580).

Almost surely, 2^11854867 is an apocalyptic number.

11854867 is a deficient number, since it is larger than the sum of its proper divisors (515453).

11854867 is an equidigital number, since it uses as much as digits as its factorization.

11854867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515452.

The product of its digits is 53760, while the sum is 40.

The square root of 11854867 is about 3443.0897461437. The cubic root of 11854867 is about 228.0161256164.

It can be divided in two parts, 11854 and 867, that added together give a palindrome (12721).

The spelling of 11854867 in words is "eleven million, eight hundred fifty-four thousand, eight hundred sixty-seven".