12700380 has 96 divisors (see below), whose sum is σ = 44352000. Its totient is φ = 2638080.

The previous prime is 12700333. The next prime is 12700397. The reversal of 12700380 is 8300721.

12700380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12700380² = 322599304288800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3246 + ... + 5994.

It is an arithmetic number, because the mean of its divisors is an integer number (462000).

Almost surely, 2^12700380 is an apocalyptic number.

12700380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12700380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22176000).

12700380 is an abundant number, since it is smaller than the sum of its proper divisors (31651620).

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

12700380 is a wasteful number, since it uses less digits than its factorization.

12700380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12700380 is about 3563.7592511279. The cubic root of 12700380 is about 233.3129823521.

The spelling of 12700380 in words is "twelve million, seven hundred thousand, three hundred eighty".