12819620 has 24 divisors (see below), whose sum is σ = 29369088. Its totient is φ = 4661600.

The previous prime is 12819619. The next prime is 12819641. The reversal of 12819620 is 2691821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28916 + ... + 29355.

It is an arithmetic number, because the mean of its divisors is an integer number (1223712).

Almost surely, 2^12819620 is an apocalyptic number.

12819620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12819620 is an abundant number, since it is smaller than the sum of its proper divisors (16549468).

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

12819620 is a wasteful number, since it uses less digits than its factorization.

12819620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58291 (or 58289 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 12819620 is about 3580.4496924269. The cubic root of 12819620 is about 234.0408772672.

It can be divided in two parts, 1281 and 9620, that added together give a palindrome (10901).

The spelling of 12819620 in words is "twelve million, eight hundred nineteen thousand, six hundred twenty".