12551130 has 24 divisors (see below), whose sum is σ = 32633172. Its totient is φ = 3346944.

The previous prime is 12551111. The next prime is 12551131. The reversal of 12551130 is 3115521.

12551130 is a `hidden beast` number, since 125 + 511 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11840481 + 710649 = 3441^2 + 843^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12551131) 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, 69639 + ... + 69818.

Almost surely, 2^12551130 is an apocalyptic number.

12551130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12551130 is an abundant number, since it is smaller than the sum of its proper divisors (20082042).

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

12551130 is a wasteful number, since it uses less digits than its factorization.

12551130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139470 (or 139467 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 12551130 is about 3542.7574006697. The cubic root of 12551130 is about 232.3954437959.

Adding to 12551130 its reverse (3115521), we get a palindrome (15666651).

The spelling of 12551130 in words is "twelve million, five hundred fifty-one thousand, one hundred thirty".