11972179 has 4 divisors (see below), whose sum is σ = 11979576. Its totient is φ = 11964784.

The previous prime is 11972171. The next prime is 11972183. The reversal of 11972179 is 97127911.

11972179 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11972179 - 2³ = 11972171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11972171) 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, 109 + ... + 4894.

It is an arithmetic number, because the mean of its divisors is an integer number (2994894).

Almost surely, 2^11972179 is an apocalyptic number.

11972179 is a deficient number, since it is larger than the sum of its proper divisors (7397).

11972179 is an equidigital number, since it uses as much as digits as its factorization.

11972179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7396.

The product of its digits is 7938, while the sum is 37.

The square root of 11972179 is about 3460.0836695086. The cubic root of 11972179 is about 228.7657832979.

The spelling of 11972179 in words is "eleven million, nine hundred seventy-two thousand, one hundred seventy-nine".