11672279 has 4 divisors (see below), whose sum is σ = 11987784. Its totient is φ = 11356776.

The previous prime is 11672273. The next prime is 11672299. The reversal of 11672279 is 97227611.

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 11672279 - 2²⁰ = 10623703 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 (11672273) 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 in 3 ways as a sum of consecutive naturals, for example, 157697 + ... + 157770.

It is an arithmetic number, because the mean of its divisors is an integer number (2996946).

Almost surely, 2^11672279 is an apocalyptic number.

11672279 is a deficient number, since it is larger than the sum of its proper divisors (315505).

11672279 is an equidigital number, since it uses as much as digits as its factorization.

11672279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315504.

The product of its digits is 10584, while the sum is 35.

The square root of 11672279 is about 3416.4717180155. The cubic root of 11672279 is about 226.8394331139.

The spelling of 11672279 in words is "eleven million, six hundred seventy-two thousand, two hundred seventy-nine".