11321895 has 16 divisors (see below), whose sum is σ = 19508832. Its totient is φ = 5573760.

The previous prime is 11321839. The next prime is 11321897. The reversal of 11321895 is 59812311.

11321895 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11321895 - 2⁶ = 11321831 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321897) 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 15 ways as a sum of consecutive naturals, for example, 28836 + ... + 29225.

It is an arithmetic number, because the mean of its divisors is an integer number (1219302).

Almost surely, 2^11321895 is an apocalyptic number.

11321895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11321895 is a deficient number, since it is larger than the sum of its proper divisors (8186937).

11321895 is a wasteful number, since it uses less digits than its factorization.

11321895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58082.

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

The square root of 11321895 is about 3364.8023716111. The cubic root of 11321895 is about 224.5465435251.

The spelling of 11321895 in words is "eleven million, three hundred twenty-one thousand, eight hundred ninety-five".