12684620 has 24 divisors (see below), whose sum is σ = 28687344. Its totient is φ = 4683456.

The previous prime is 12684583. The next prime is 12684643. The reversal of 12684620 is 2648621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24134 + ... + 24653.

It is an arithmetic number, because the mean of its divisors is an integer number (1195306).

Almost surely, 2^12684620 is an apocalyptic number.

12684620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12684620 is an abundant number, since it is smaller than the sum of its proper divisors (16002724).

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

12684620 is a wasteful number, since it uses less digits than its factorization.

12684620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48809 (or 48807 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 12684620 is about 3561.5474165031. The cubic root of 12684620 is about 233.2164357764.

The spelling of 12684620 in words is "twelve million, six hundred eighty-four thousand, six hundred twenty".