11487867 has 4 divisors (see below), whose sum is σ = 15317160. Its totient is φ = 7658576.

The previous prime is 11487863. The next prime is 11487877. The reversal of 11487867 is 76878411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76878411 = 3 ⋅25626137.

It is a cyclic number.

It is not a de Polignac number, because 11487867 - 2² = 11487863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11487863) 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, 1914642 + ... + 1914647.

It is an arithmetic number, because the mean of its divisors is an integer number (3829290).

Almost surely, 2^11487867 is an apocalyptic number.

11487867 is a deficient number, since it is larger than the sum of its proper divisors (3829293).

11487867 is an equidigital number, since it uses as much as digits as its factorization.

11487867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829292.

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

The square root of 11487867 is about 3389.3756062142. The cubic root of 11487867 is about 225.6384631178.

The spelling of 11487867 in words is "eleven million, four hundred eighty-seven thousand, eight hundred sixty-seven".