11875321 has 4 divisors (see below), whose sum is σ = 11893392. Its totient is φ = 11857252.

The previous prime is 11875319. The next prime is 11875373. The reversal of 11875321 is 12357811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12357811 = 137 ⋅90203.

It is a cyclic number.

It is not a de Polignac number, because 11875321 - 2¹ = 11875319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11875321.

It is not an unprimeable number, because it can be changed into a prime (11875301) 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, 8011 + ... + 9376.

It is an arithmetic number, because the mean of its divisors is an integer number (2973348).

Almost surely, 2^11875321 is an apocalyptic number.

It is an amenable number.

11875321 is a deficient number, since it is larger than the sum of its proper divisors (18071).

11875321 is an equidigital number, since it uses as much as digits as its factorization.

11875321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18070.

The product of its digits is 1680, while the sum is 28.

The square root of 11875321 is about 3446.0587632831. The cubic root of 11875321 is about 228.1471874585.

The spelling of 11875321 in words is "eleven million, eight hundred seventy-five thousand, three hundred twenty-one".