12630916 has 9 divisors (see below), whose sum is σ = 22116549. Its totient is φ = 6311904.

The previous prime is 12630913. The next prime is 12630941. The reversal of 12630916 is 61903621.

The square root of 12630916 is 3554.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6400900 + 6230016 = 2530^2 + 2496^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12630913) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6220 + ... + 7996.

Almost surely, 2^12630916 is an apocalyptic number.

12630916 is the 3554-th square number.

It is an amenable number.

12630916 is a deficient number, since it is larger than the sum of its proper divisors (9485633).

12630916 is an frugal number, since it uses more digits than its factorization.

12630916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558 (or 1779 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The cubic root of 12630916 is about 232.8868404938.

The spelling of 12630916 in words is "twelve million, six hundred thirty thousand, nine hundred sixteen".