11321958 has 8 divisors (see below), whose sum is σ = 22643928. Its totient is φ = 3773984.

The previous prime is 11321951. The next prime is 11321993. The reversal of 11321958 is 85912311.

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

11321958 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943491 + ... + 943502.

It is an arithmetic number, because the mean of its divisors is an integer number (2830491).

Almost surely, 2^11321958 is an apocalyptic number.

11321958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321958 is a wasteful number, since it uses less digits than its factorization.

11321958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886998.

The product of its digits is 2160, while the sum is 30.

The square root of 11321958 is about 3364.8117332178. The cubic root of 11321958 is about 224.5469600162.

The spelling of 11321958 in words is "eleven million, three hundred twenty-one thousand, nine hundred fifty-eight".