12630128 has 40 divisors (see below), whose sum is σ = 29188608. Its totient is φ = 5176512.

The previous prime is 12630127. The next prime is 12630131. The reversal of 12630128 is 82103621.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630127) 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, 125 + ... + 5027.

Almost surely, 2^12630128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12630128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14594304).

12630128 is an abundant number, since it is smaller than the sum of its proper divisors (16558480).

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

12630128 is a wasteful number, since it uses less digits than its factorization.

12630128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941 (or 4935 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12630128 is about 3553.8891372692. The cubic root of 12630128 is about 232.8819973864.

Adding to 12630128 its reverse (82103621), we get a palindrome (94733749).

The spelling of 12630128 in words is "twelve million, six hundred thirty thousand, one hundred twenty-eight".