12092291 has 4 divisors (see below), whose sum is σ = 12137184. Its totient is φ = 12047400.

The previous prime is 12092279. The next prime is 12092299. The reversal of 12092291 is 19229021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12092291 - 2¹⁴ = 12075907 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 12092291.

It is not an unprimeable number, because it can be changed into a prime (12092299) 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, 22040 + ... + 22581.

It is an arithmetic number, because the mean of its divisors is an integer number (3034296).

Almost surely, 2^12092291 is an apocalyptic number.

12092291 is a deficient number, since it is larger than the sum of its proper divisors (44893).

12092291 is an equidigital number, since it uses as much as digits as its factorization.

12092291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44892.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 12092291 is about 3477.3971587956. The cubic root of 12092291 is about 229.5282770284.

The spelling of 12092291 in words is "twelve million, ninety-two thousand, two hundred ninety-one".