11980279 has 8 divisors (see below), whose sum is σ = 12849840. Its totient is φ = 11134656.

The previous prime is 11980261. The next prime is 11980301. The reversal of 11980279 is 97208911.

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 11980279 - 2⁵ = 11980247 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 (11980679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4942 + ... + 6955.

It is an arithmetic number, because the mean of its divisors is an integer number (1606230).

Almost surely, 2^11980279 is an apocalyptic number.

11980279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11980279 is a deficient number, since it is larger than the sum of its proper divisors (869561).

11980279 is a wasteful number, since it uses less digits than its factorization.

11980279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11969.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 11980279 is about 3461.2539635225. The cubic root of 11980279 is about 228.8173635799.

The spelling of 11980279 in words is "eleven million, nine hundred eighty thousand, two hundred seventy-nine".