11980879 has 2 divisors, whose sum is σ = 11980880. Its totient is φ = 11980878.

The previous prime is 11980877. The next prime is 11980901. The reversal of 11980879 is 97808911.

11980879 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11980879 - 2¹ = 11980877 is a prime.

It is a super-2 number, since 2×11980879² = 287082923225282, which contains 22 as substring.

Together with 11980877, it forms a pair of twin primes.

It is equal to p₇₈₆₈₈₆ and since 11980879 and 786886 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11980877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5990439 + 5990440.

It is an arithmetic number, because the mean of its divisors is an integer number (5990440).

Almost surely, 2^11980879 is an apocalyptic number.

11980879 is a deficient number, since it is larger than the sum of its proper divisors (1).

11980879 is an equidigital number, since it uses as much as digits as its factorization.

11980879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 43.

The square root of 11980879 is about 3461.3406362275. The cubic root of 11980879 is about 228.8211834165.

The spelling of 11980879 in words is "eleven million, nine hundred eighty thousand, eight hundred seventy-nine".