12092991 has 8 divisors (see below), whose sum is σ = 16517424. Its totient is φ = 7865280.

The previous prime is 12092947. The next prime is 12092999. The reversal of 12092991 is 19929021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12092991 - 2⁷ = 12092863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12092999) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49036 + ... + 49281.

It is an arithmetic number, because the mean of its divisors is an integer number (2064678).

Almost surely, 2^12092991 is an apocalyptic number.

12092991 is a deficient number, since it is larger than the sum of its proper divisors (4424433).

12092991 is an equidigital number, since it uses as much as digits as its factorization.

12092991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98361.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 12092991 is about 3477.4978073322. The cubic root of 12092991 is about 229.5327059298.

The spelling of 12092991 in words is "twelve million, ninety-two thousand, nine hundred ninety-one".