12630788 has 12 divisors (see below), whose sum is σ = 22643292. Its totient is φ = 6161280.

The previous prime is 12630769. The next prime is 12630799. The reversal of 12630788 is 88703621.

It can be written as a sum of positive squares in 2 ways, for example, as 6390784 + 6240004 = 2528^2 + 2498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38345 + ... + 38672.

It is an arithmetic number, because the mean of its divisors is an integer number (1886941).

Almost surely, 2^12630788 is an apocalyptic number.

It is an amenable number.

12630788 is a deficient number, since it is larger than the sum of its proper divisors (10012504).

12630788 is a wasteful number, since it uses less digits than its factorization.

12630788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77062 (or 77060 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12630788 is about 3553.9819920759. The cubic root of 12630788 is about 232.8860538099.

The spelling of 12630788 in words is "twelve million, six hundred thirty thousand, seven hundred eighty-eight".