12354445 has 4 divisors (see below), whose sum is σ = 14825340. Its totient is φ = 9883552.

The previous prime is 12354443. The next prime is 12354451. The reversal of 12354445 is 54445321.

12354445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1258884 + 11095561 = 1122^2 + 3331^2 .

It is a cyclic number.

It is not a de Polignac number, because 12354445 - 2¹ = 12354443 is a prime.

It is a super-2 number, since 2×12354445² = 305264622516050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12354443) 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, 1235440 + ... + 1235449.

It is an arithmetic number, because the mean of its divisors is an integer number (3706335).

Almost surely, 2^12354445 is an apocalyptic number.

It is an amenable number.

12354445 is a deficient number, since it is larger than the sum of its proper divisors (2470895).

12354445 is an equidigital number, since it uses as much as digits as its factorization.

12354445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470894.

The product of its digits is 9600, while the sum is 28.

The square root of 12354445 is about 3514.8890451905. The cubic root of 12354445 is about 231.1751138090.

Adding to 12354445 its reverse (54445321), we get a palindrome (66799766).

The spelling of 12354445 in words is "twelve million, three hundred fifty-four thousand, four hundred forty-five".