12130645 has 8 divisors (see below), whose sum is σ = 15323040. Its totient is φ = 9193680.

The previous prime is 12130631. The next prime is 12130649. The reversal of 12130645 is 54603121.

12130645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12130645 - 2²¹ = 10033493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63751 + ... + 63940.

It is an arithmetic number, because the mean of its divisors is an integer number (1915380).

Almost surely, 2^12130645 is an apocalyptic number.

It is an amenable number.

12130645 is a deficient number, since it is larger than the sum of its proper divisors (3192395).

12130645 is a wasteful number, since it uses less digits than its factorization.

12130645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127715.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12130645 is about 3482.9075497348. The cubic root of 12130645 is about 229.7706914316.

Adding to 12130645 its reverse (54603121), we get a palindrome (66733766).

The spelling of 12130645 in words is "twelve million, one hundred thirty thousand, six hundred forty-five".