11967487 has 8 divisors (see below), whose sum is σ = 13750272. Its totient is φ = 10203000.

The previous prime is 11967481. The next prime is 11967497. The reversal of 11967487 is 78476911.

11967487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11967487 - 2³ = 11967479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11967481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3139 + ... + 5812.

It is an arithmetic number, because the mean of its divisors is an integer number (1718784).

Almost surely, 2^11967487 is an apocalyptic number.

11967487 is a deficient number, since it is larger than the sum of its proper divisors (1782785).

11967487 is an equidigital number, since it uses as much as digits as its factorization.

11967487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9149.

The product of its digits is 84672, while the sum is 43.

The square root of 11967487 is about 3459.4055847790. The cubic root of 11967487 is about 228.7358942998.

The spelling of 11967487 in words is "eleven million, nine hundred sixty-seven thousand, four hundred eighty-seven".