11847867 has 8 divisors (see below), whose sum is σ = 15997440. Its totient is φ = 7798440.

The previous prime is 11847853. The next prime is 11847877. The reversal of 11847867 is 76874811.

It is a happy number.

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

It is not a de Polignac number, because 11847867 - 2¹¹ = 11845819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11847877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24759 + ... + 25232.

It is an arithmetic number, because the mean of its divisors is an integer number (1999680).

Almost surely, 2^11847867 is an apocalyptic number.

11847867 is a deficient number, since it is larger than the sum of its proper divisors (4149573).

11847867 is an equidigital number, since it uses as much as digits as its factorization.

11847867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50073.

The product of its digits is 75264, while the sum is 42.

The square root of 11847867 is about 3442.0730672082. The cubic root of 11847867 is about 227.9712375229.

The spelling of 11847867 in words is "eleven million, eight hundred forty-seven thousand, eight hundred sixty-seven".