12605130 has 24 divisors (see below), whose sum is σ = 32773572. Its totient is φ = 3361344.

The previous prime is 12605077. The next prime is 12605137. The reversal of 12605130 is 3150621.

It can be written as a sum of positive squares in 2 ways, for example, as 11229201 + 1375929 = 3351^2 + 1173^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12605137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69939 + ... + 70118.

Almost surely, 2^12605130 is an apocalyptic number.

12605130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12605130 is an abundant number, since it is smaller than the sum of its proper divisors (20168442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12605130 is a wasteful number, since it uses less digits than its factorization.

12605130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140070 (or 140067 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 12605130 is about 3550.3704032115. The cubic root of 12605130 is about 232.7282531235.

Adding to 12605130 its reverse (3150621), we get a palindrome (15755751).

The spelling of 12605130 in words is "twelve million, six hundred five thousand, one hundred thirty".