12322091 has 6 divisors (see below), whose sum is σ = 12558420. Its totient is φ = 12086736.

The previous prime is 12322081. The next prime is 12322109. The reversal of 12322091 is 19022321.

It is not a de Polignac number, because 12322091 - 2⁶ = 12322027 is a prime.

It is a super-2 number, since 2×12322091² = 303667853224562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12322001) 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 5 ways as a sum of consecutive naturals, for example, 26735 + ... + 27191.

It is an arithmetic number, because the mean of its divisors is an integer number (2093070).

Almost surely, 2^12322091 is an apocalyptic number.

12322091 is a deficient number, since it is larger than the sum of its proper divisors (236329).

12322091 is an frugal number, since it uses more digits than its factorization.

12322091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12322091 is about 3510.2836067760. The cubic root of 12322091 is about 230.9731358101.

The spelling of 12322091 in words is "twelve million, three hundred twenty-two thousand, ninety-one".