12812630 has 8 divisors (see below), whose sum is σ = 23062752. Its totient is φ = 5125048.

The previous prime is 12812629. The next prime is 12812647. The reversal of 12812630 is 3621821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12812596 and 12812605.

It is a congruent number.

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, 640622 + ... + 640641.

It is an arithmetic number, because the mean of its divisors is an integer number (2882844).

Almost surely, 2^12812630 is an apocalyptic number.

12812630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12812630 is a deficient number, since it is larger than the sum of its proper divisors (10250122).

12812630 is a wasteful number, since it uses less digits than its factorization.

12812630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281270.

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

The square root of 12812630 is about 3579.4734249607. The cubic root of 12812630 is about 233.9983319822.

The spelling of 12812630 in words is "twelve million, eight hundred twelve thousand, six hundred thirty".