12234591 has 8 divisors (see below), whose sum is σ = 18125360. Its totient is φ = 8156376.

The previous prime is 12234583. The next prime is 12234631. The reversal of 12234591 is 19543221.

It is not a de Polignac number, because 12234591 - 2³ = 12234583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 453133 = 12234591 / (1 + 2 + 2 + 3 + 4 + 5 + 9 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12234571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226540 + ... + 226593.

It is an arithmetic number, because the mean of its divisors is an integer number (2265670).

Almost surely, 2^12234591 is an apocalyptic number.

12234591 is a deficient number, since it is larger than the sum of its proper divisors (5890769).

12234591 is an equidigital number, since it uses as much as digits as its factorization.

12234591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453142 (or 453136 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12234591 is about 3497.7980216130. The cubic root of 12234591 is about 230.4251179755.

The spelling of 12234591 in words is "twelve million, two hundred thirty-four thousand, five hundred ninety-one".