12620380 has 24 divisors (see below), whose sum is σ = 26601120. Its totient is φ = 5029440.

The previous prime is 12620359. The next prime is 12620383. The reversal of 12620380 is 8302621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12620383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5206 + ... + 7234.

It is an arithmetic number, because the mean of its divisors is an integer number (1108380).

Almost surely, 2^12620380 is an apocalyptic number.

12620380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12620380 is an abundant number, since it is smaller than the sum of its proper divisors (13980740).

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

12620380 is a wasteful number, since it uses less digits than its factorization.

12620380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2347 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12620380 is about 3552.5174172691. The cubic root of 12620380 is about 232.8220687778.

The spelling of 12620380 in words is "twelve million, six hundred twenty thousand, three hundred eighty".