12113045 has 20 divisors (see below), whose sum is σ = 16974060. Its totient is φ = 8297856.

The previous prime is 12112979. The next prime is 12113047. The reversal of 12113045 is 54031121.

12113045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4036081 + 8076964 = 2009^2 + 2842^2 .

It is not a de Polignac number, because 12113045 - 2¹² = 12108949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113047) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11501 + ... + 12509.

It is an arithmetic number, because the mean of its divisors is an integer number (848703).

Almost surely, 2^12113045 is an apocalyptic number.

It is an amenable number.

12113045 is a deficient number, since it is larger than the sum of its proper divisors (4861015).

12113045 is an frugal number, since it uses more digits than its factorization.

12113045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12113045 is about 3480.3800079876. The cubic root of 12113045 is about 229.6595151090.

Adding to 12113045 its reverse (54031121), we get a palindrome (66144166).

The spelling of 12113045 in words is "twelve million, one hundred thirteen thousand, forty-five".