12618630 has 24 divisors (see below), whose sum is σ = 32808672. Its totient is φ = 3364944.

The previous prime is 12618629. The next prime is 12618649. The reversal of 12618630 is 3681621.

12618630 is a `hidden beast` number, since 1 + 26 + 1 + 8 + 630 = 666.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12618594 and 12618603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70014 + ... + 70193.

It is an arithmetic number, because the mean of its divisors is an integer number (1367028).

Almost surely, 2^12618630 is an apocalyptic number.

12618630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12618630 is an abundant number, since it is smaller than the sum of its proper divisors (20190042).

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

12618630 is a wasteful number, since it uses less digits than its factorization.

12618630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140220 (or 140217 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12618630 is about 3552.2711045189. The cubic root of 12618630 is about 232.8113068870.

The spelling of 12618630 in words is "twelve million, six hundred eighteen thousand, six hundred thirty".