11982279 has 8 divisors (see below), whose sum is σ = 16043632. Its totient is φ = 7954560.

The previous prime is 11982277. The next prime is 11982301. The reversal of 11982279 is 97228911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11982279 - 2¹ = 11982277 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 (11982277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7564 + ... + 9009.

It is an arithmetic number, because the mean of its divisors is an integer number (2005454).

Almost surely, 2^11982279 is an apocalyptic number.

11982279 is a deficient number, since it is larger than the sum of its proper divisors (4061353).

11982279 is a wasteful number, since it uses less digits than its factorization.

11982279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16817.

The product of its digits is 18144, while the sum is 39.

The square root of 11982279 is about 3461.5428640998. The cubic root of 11982279 is about 228.8300958728.

The spelling of 11982279 in words is "eleven million, nine hundred eighty-two thousand, two hundred seventy-nine".