12233345 has 4 divisors (see below), whose sum is σ = 14680020. Its totient is φ = 9786672.

The previous prime is 12233341. The next prime is 12233357. The reversal of 12233345 is 54333221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54333221 = 103 ⋅527507.

It can be written as a sum of positive squares in 2 ways, for example, as 7789681 + 4443664 = 2791^2 + 2108^2 .

It is a cyclic number.

It is not a de Polignac number, because 12233345 - 2² = 12233341 is a prime.

It is a super-3 number, since 3×12233345³ (a number of 22 digits) contains 333 as substring.

It is a plaindrome in base 10.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 12233345.

It is not an unprimeable number, because it can be changed into a prime (12233341) 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 3 ways as a sum of consecutive naturals, for example, 1223330 + ... + 1223339.

It is an arithmetic number, because the mean of its divisors is an integer number (3670005).

Almost surely, 2^12233345 is an apocalyptic number.

It is an amenable number.

12233345 is a deficient number, since it is larger than the sum of its proper divisors (2446675).

12233345 is an equidigital number, since it uses as much as digits as its factorization.

12233345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446674.

The product of its digits is 2160, while the sum is 23.

The square root of 12233345 is about 3497.6199050211. The cubic root of 12233345 is about 230.4172953617.

Adding to 12233345 its reverse (54333221), we get a palindrome (66566566).

The spelling of 12233345 in words is "twelve million, two hundred thirty-three thousand, three hundred forty-five".