11986379 has 4 divisors (see below), whose sum is σ = 12265176. Its totient is φ = 11707584.

The previous prime is 11986361. The next prime is 11986417. The reversal of 11986379 is 97368911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97368911 = 17 ⋅5727583.

It is a cyclic number.

It is not a de Polignac number, because 11986379 - 2⁸ = 11986123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11986319) 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, 139334 + ... + 139419.

It is an arithmetic number, because the mean of its divisors is an integer number (3066294).

Almost surely, 2^11986379 is an apocalyptic number.

11986379 is a deficient number, since it is larger than the sum of its proper divisors (278797).

11986379 is an equidigital number, since it uses as much as digits as its factorization.

11986379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278796.

The product of its digits is 81648, while the sum is 44.

The square root of 11986379 is about 3462.1350349170. The cubic root of 11986379 is about 228.8561926446.

The spelling of 11986379 in words is "eleven million, nine hundred eighty-six thousand, three hundred seventy-nine".