12232345 has 12 divisors (see below), whose sum is σ = 15207660. Its totient is φ = 9445184.

The previous prime is 12232327. The next prime is 12232351. The reversal of 12232345 is 54323221.

It can be written as a sum of positive squares in 6 ways, for example, as 309136 + 11923209 = 556^2 + 3453^2 .

It is not a de Polignac number, because 12232345 - 2⁷ = 12232217 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2751 + ... + 5659.

It is an arithmetic number, because the mean of its divisors is an integer number (1267305).

Almost surely, 2^12232345 is an apocalyptic number.

It is an amenable number.

12232345 is a deficient number, since it is larger than the sum of its proper divisors (2975315).

12232345 is an equidigital number, since it uses as much as digits as its factorization.

12232345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972 (or 2943 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 12232345 is about 3497.4769477439. The cubic root of 12232345 is about 230.4110167961.

Adding to 12232345 its reverse (54323221), we get a palindrome (66555566).

The spelling of 12232345 in words is "twelve million, two hundred thirty-two thousand, three hundred forty-five".