11864667 has 4 divisors (see below), whose sum is σ = 15819560. Its totient is φ = 7909776.

The previous prime is 11864659. The next prime is 11864669. The reversal of 11864667 is 76646811.

It is a happy number.

11864667 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76646811 = 3 ⋅25548937.

It is not a de Polignac number, because 11864667 - 2³ = 11864659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11864669) 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, 1977442 + ... + 1977447.

It is an arithmetic number, because the mean of its divisors is an integer number (3954890).

Almost surely, 2^11864667 is an apocalyptic number.

11864667 is a deficient number, since it is larger than the sum of its proper divisors (3954893).

11864667 is an equidigital number, since it uses as much as digits as its factorization.

11864667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954892.

The product of its digits is 48384, while the sum is 39.

The square root of 11864667 is about 3444.5125925158. The cubic root of 11864667 is about 228.0789392712.

The spelling of 11864667 in words is "eleven million, eight hundred sixty-four thousand, six hundred sixty-seven".