12630628 has 6 divisors (see below), whose sum is σ = 22103606. Its totient is φ = 6315312.

The previous prime is 12630623. The next prime is 12630637. The reversal of 12630628 is 82603621.

It can be written as a sum of positive squares in only one way, i.e., 12616704 + 13924 = 3552^2 + 118^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12630596 and 12630605.

It is not an unprimeable number, because it can be changed into a prime (12630623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578825 + ... + 1578832.

Almost surely, 2^12630628 is an apocalyptic number.

It is an amenable number.

12630628 is a deficient number, since it is larger than the sum of its proper divisors (9472978).

12630628 is a wasteful number, since it uses less digits than its factorization.

12630628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157661 (or 3157659 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12630628 is about 3553.9594820425. The cubic root of 12630628 is about 232.8850704475.

The spelling of 12630628 in words is "twelve million, six hundred thirty thousand, six hundred twenty-eight".