11321975 has 24 divisors (see below), whose sum is σ = 16570368. Its totient is φ = 7509600.

The previous prime is 11321951. The next prime is 11321993. The reversal of 11321975 is 57912311.

It is not a de Polignac number, because 11321975 - 2⁸ = 11321719 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4382 + ... + 6468.

It is an arithmetic number, because the mean of its divisors is an integer number (690432).

Almost surely, 2^11321975 is an apocalyptic number.

11321975 is a deficient number, since it is larger than the sum of its proper divisors (5248393).

11321975 is a wasteful number, since it uses less digits than its factorization.

11321975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135 (or 2130 counting only the distinct ones).

The product of its digits is 1890, while the sum is 29.

The square root of 11321975 is about 3364.8142593611. The cubic root of 11321975 is about 224.5470724024.

The spelling of 11321975 in words is "eleven million, three hundred twenty-one thousand, nine hundred seventy-five".