11879321 has 6 divisors (see below), whose sum is σ = 11981466. Its totient is φ = 11778000.

The previous prime is 11879303. The next prime is 11879333. The reversal of 11879321 is 12397811.

11879321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9120400 + 2758921 = 3020^2 + 1661^2 .

It is not a de Polignac number, because 11879321 - 2¹⁰ = 11878297 is a prime.

It is a super-2 number, since 2×11879321² = 282236534842082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11879341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22541 + ... + 23061.

It is an arithmetic number, because the mean of its divisors is an integer number (1996911).

Almost surely, 2^11879321 is an apocalyptic number.

It is an amenable number.

11879321 is a deficient number, since it is larger than the sum of its proper divisors (102145).

11879321 is an frugal number, since it uses more digits than its factorization.

11879321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 672 counting only the distinct ones).

The product of its digits is 3024, while the sum is 32.

The square root of 11879321 is about 3446.6390875750. The cubic root of 11879321 is about 228.1728004169.

The spelling of 11879321 in words is "eleven million, eight hundred seventy-nine thousand, three hundred twenty-one".