12819630 has 32 divisors (see below), whose sum is σ = 30883968. Its totient is φ = 3405600.

The previous prime is 12819619. The next prime is 12819641. The reversal of 12819630 is 3691821.

It is an interprime number because it is at equal distance from previous prime (12819619) and next prime (12819641).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9285 + ... + 10575.

It is an arithmetic number, because the mean of its divisors is an integer number (965124).

Almost surely, 2^12819630 is an apocalyptic number.

12819630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12819630 is an abundant number, since it is smaller than the sum of its proper divisors (18064338).

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

12819630 is a wasteful number, since it uses less digits than its factorization.

12819630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12819630 is about 3580.4510888993. The cubic root of 12819630 is about 234.0409381220.

The spelling of 12819630 in words is "twelve million, eight hundred nineteen thousand, six hundred thirty".