11864959 has 4 divisors (see below), whose sum is σ = 12066120. Its totient is φ = 11663800.

The previous prime is 11864903. The next prime is 11864981. The reversal of 11864959 is 95946811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11864959 - 2¹¹ = 11862911 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 (11864989) 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, 100492 + ... + 100609.

It is an arithmetic number, because the mean of its divisors is an integer number (3016530).

Almost surely, 2^11864959 is an apocalyptic number.

11864959 is a deficient number, since it is larger than the sum of its proper divisors (201161).

11864959 is an equidigital number, since it uses as much as digits as its factorization.

11864959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201160.

The product of its digits is 77760, while the sum is 43.

The square root of 11864959 is about 3444.5549785132. The cubic root of 11864959 is about 228.0808103310.

The spelling of 11864959 in words is "eleven million, eight hundred sixty-four thousand, nine hundred fifty-nine".