12030745 has 4 divisors (see below), whose sum is σ = 14436900. Its totient is φ = 9624592.

The previous prime is 12030727. The next prime is 12030757. The reversal of 12030745 is 54703021.

12030745 is digitally balanced in base 3, 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 4129024 + 7901721 = 2032^2 + 2811^2 .

It is a cyclic number.

It is not a de Polignac number, because 12030745 - 2⁹ = 12030233 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 3 ways as a sum of consecutive naturals, for example, 1203070 + ... + 1203079.

It is an arithmetic number, because the mean of its divisors is an integer number (3609225).

Almost surely, 2^12030745 is an apocalyptic number.

It is an amenable number.

12030745 is a deficient number, since it is larger than the sum of its proper divisors (2406155).

12030745 is an equidigital number, since it uses as much as digits as its factorization.

12030745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406154.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 12030745 is about 3468.5364348670. The cubic root of 12030745 is about 229.1382053175.

Adding to 12030745 its reverse (54703021), we get a palindrome (66733766).

The spelling of 12030745 in words is "twelve million, thirty thousand, seven hundred forty-five".