12095921 has 4 divisors (see below), whose sum is σ = 12486144. Its totient is φ = 11705700.

The previous prime is 12095911. The next prime is 12095933. The reversal of 12095921 is 12959021.

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.

It is a cyclic number.

It is not a de Polignac number, because 12095921 - 2¹⁸ = 11833777 is a prime.

It is a super-2 number, since 2×12095921² = 292622609676482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12095911) 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, 195065 + ... + 195126.

It is an arithmetic number, because the mean of its divisors is an integer number (3121536).

Almost surely, 2^12095921 is an apocalyptic number.

It is an amenable number.

12095921 is a deficient number, since it is larger than the sum of its proper divisors (390223).

12095921 is an equidigital number, since it uses as much as digits as its factorization.

12095921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390222.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 12095921 is about 3477.9190617379. The cubic root of 12095921 is about 229.5512421910.

The spelling of 12095921 in words is "twelve million, ninety-five thousand, nine hundred twenty-one".